1997255880

素因数分解:

$2^3\times 3^7\times 5^1\times {\mathrm{17}}^2\times {\mathrm{79}}^1$

素因数の和:145

約数の個数: 384

約数和(自身を含む): 7250112000

約数和(自身を除く): 5252856120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 51, 54, 60, 68, 72, 79, 81, 85, 90, 102, 108, 120, 135, 136, 153, 158, 162, 170, 180, 204, 216, 237, 243, 255, 270, 289, 306, 316, 324, 340, 360, 395, 405, 408, 459, 474, 486, 510, 540, 578, 612, 632, 648, 680, 711, 729, 765, 790, 810, 867, 918, 948, 972, 1020, 1080, 1156, 1185, 1215, 1224, 1343, 1377, 1422, 1445, 1458, 1530, 1580, 1620, 1734, 1836, 1896, 1944, 2040, 2133, 2187, 2295, 2312, 2370, 2430, 2601, 2686, 2754, 2844, 2890, 2916, 3060, 3160, 3240, 3468, 3555, 3645, 3672, 4029, 4131, 4266, 4335, 4374, 4590, 4740, 4860, 5202, 5372, 5508, 5688, 5780, 5832, 6120, 6399, 6715, 6885, 6936, 7110, 7290, 7803, 8058, 8262, 8532, 8670, 8748, 9180, 9480, 9720, 10404, 10665, 10744, 10935, 11016, 11560, 12087, 12393, 12798, 13005, 13430, 13770, 14220, 14580, 15606, 16116, 16524, 17064, 17340, 17496, 18360, 19197, 20145, 20655, 20808, 21330, 21870, 22831, 23409, 24174, 24786, 25596, 26010, 26860, 27540, 28440, 29160, 31212, 31995, 32232, 33048, 34680, 36261, 37179, 38394, 39015, 40290, 41310, 42660, 43740, 45662, 46818, 48348, 49572, 51192, 52020, 53720, 55080, 57591, 60435, 61965, 62424, 63990, 68493, 70227, 72522, 74358, 76788, 78030, 80580, 82620, 85320, 87480, 91324, 93636, 95985, 96696, 99144, 104040, 108783, 114155, 115182, 117045, 120870, 123930, 127980, 136986, 140454, 145044, 148716, 153576, 156060, 161160, 165240, 172773, 181305, 182648, 185895, 187272, 191970, 205479, 210681, 217566, 228310, 230364, 234090, 241740, 247860, 255960, 273972, 280908, 287955, 290088, 297432, 312120, 326349, 342465, 345546, 351135, 362610, 371790, 383940, 410958, 421362, 435132, 456620, 460728, 468180, 483480, 495720, 543915, 547944, 561816, 575910, 616437, 632043, 652698, 684930, 691092, 702270, 725220, 743580, 767880, 821916, 842724, 863865, 870264, 913240, 936360, 979047, 1027395, 1053405, 1087830, 1151820, 1232874, 1264086, 1305396, 1369860, 1382184, 1404540, 1450440, 1487160, 1631745, 1643832, 1685448, 1727730, 1849311, 1958094, 2054790, 2106810, 2175660, 2303640, 2465748, 2528172, 2610792, 2739720, 2809080, 2937141, 3082185, 3160215, 3263490, 3455460, 3698622, 3916188, 4109580, 4213620, 4351320, 4895235, 4931496, 5056344, 5547933, 5874282, 6164370, 6320430, 6526980, 6910920, 7397244, 7832376, 8219160, 8427240, 9246555, 9790470, 11095866, 11748564, 12328740, 12640860, 13053960, 14685705, 14794488, 16643799, 18493110, 19580940, 22191732, 23497128, 24657480, 25281720, 27739665, 29371410, 33287598, 36986220, 39161880, 44383464, 49931397, 55479330, 58742820, 66575196, 73972440, 83218995, 99862794, 110958660, 117485640, 133150392, 166437990, 199725588, 221917320, 249656985, 332875980, 399451176, 499313970, 665751960, 998627940, 1997255880]

約数ペア:

[(1, 1997255880), (2, 998627940), (3, 665751960), (4, 499313970), (5, 399451176), (6, 332875980), (8, 249656985), (9, 221917320), (10, 199725588), (12, 166437990), (15, 133150392), (17, 117485640), (18, 110958660), (20, 99862794), (24, 83218995), (27, 73972440), (30, 66575196), (34, 58742820), (36, 55479330), (40, 49931397), (45, 44383464), (51, 39161880), (54, 36986220), (60, 33287598), (68, 29371410), (72, 27739665), (79, 25281720), (81, 24657480), (85, 23497128), (90, 22191732), (102, 19580940), (108, 18493110), (120, 16643799), (135, 14794488), (136, 14685705), (153, 13053960), (158, 12640860), (162, 12328740), (170, 11748564), (180, 11095866), (204, 9790470), (216, 9246555), (237, 8427240), (243, 8219160), (255, 7832376), (270, 7397244), (289, 6910920), (306, 6526980), (316, 6320430), (324, 6164370), (340, 5874282), (360, 5547933), (395, 5056344), (405, 4931496), (408, 4895235), (459, 4351320), (474, 4213620), (486, 4109580), (510, 3916188), (540, 3698622), (578, 3455460), (612, 3263490), (632, 3160215), (648, 3082185), (680, 2937141), (711, 2809080), (729, 2739720), (765, 2610792), (790, 2528172), (810, 2465748), (867, 2303640), (918, 2175660), (948, 2106810), (972, 2054790), (1020, 1958094), (1080, 1849311), (1156, 1727730), (1185, 1685448), (1215, 1643832), (1224, 1631745), (1343, 1487160), (1377, 1450440), (1422, 1404540), (1445, 1382184), (1458, 1369860), (1530, 1305396), (1580, 1264086), (1620, 1232874), (1734, 1151820), (1836, 1087830), (1896, 1053405), (1944, 1027395), (2040, 979047), (2133, 936360), (2187, 913240), (2295, 870264), (2312, 863865), (2370, 842724), (2430, 821916), (2601, 767880), (2686, 743580), (2754, 725220), (2844, 702270), (2890, 691092), (2916, 684930), (3060, 652698), (3160, 632043), (3240, 616437), (3468, 575910), (3555, 561816), (3645, 547944), (3672, 543915), (4029, 495720), (4131, 483480), (4266, 468180), (4335, 460728), (4374, 456620), (4590, 435132), (4740, 421362), (4860, 410958), (5202, 383940), (5372, 371790), (5508, 362610), (5688, 351135), (5780, 345546), (5832, 342465), (6120, 326349), (6399, 312120), (6715, 297432), (6885, 290088), (6936, 287955), (7110, 280908), (7290, 273972), (7803, 255960), (8058, 247860), (8262, 241740), (8532, 234090), (8670, 230364), (8748, 228310), (9180, 217566), (9480, 210681), (9720, 205479), (10404, 191970), (10665, 187272), (10744, 185895), (10935, 182648), (11016, 181305), (11560, 172773), (12087, 165240), (12393, 161160), (12798, 156060), (13005, 153576), (13430, 148716), (13770, 145044), (14220, 140454), (14580, 136986), (15606, 127980), (16116, 123930), (16524, 120870), (17064, 117045), (17340, 115182), (17496, 114155), (18360, 108783), (19197, 104040), (20145, 99144), (20655, 96696), (20808, 95985), (21330, 93636), (21870, 91324), (22831, 87480), (23409, 85320), (24174, 82620), (24786, 80580), (25596, 78030), (26010, 76788), (26860, 74358), (27540, 72522), (28440, 70227), (29160, 68493), (31212, 63990), (31995, 62424), (32232, 61965), (33048, 60435), (34680, 57591), (36261, 55080), (37179, 53720), (38394, 52020), (39015, 51192), (40290, 49572), (41310, 48348), (42660, 46818), (43740, 45662)]