247986480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1$

素因数の和:516

約数の個数: 320

約数和(自身を含む): 981365760

約数和(自身を除く): 733379280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 19, 20, 21, 24, 28, 30, 34, 35, 38, 40, 42, 48, 51, 56, 57, 60, 68, 70, 76, 80, 84, 85, 95, 102, 105, 112, 114, 119, 120, 133, 136, 140, 152, 168, 170, 190, 204, 210, 228, 238, 240, 255, 266, 272, 280, 285, 304, 323, 336, 340, 357, 380, 399, 408, 420, 456, 457, 476, 510, 532, 560, 570, 595, 646, 665, 680, 714, 760, 798, 816, 840, 912, 914, 952, 969, 1020, 1064, 1140, 1190, 1292, 1330, 1360, 1371, 1428, 1520, 1596, 1615, 1680, 1785, 1828, 1904, 1938, 1995, 2040, 2128, 2261, 2280, 2285, 2380, 2584, 2660, 2742, 2856, 3192, 3199, 3230, 3570, 3656, 3876, 3990, 4080, 4522, 4560, 4570, 4760, 4845, 5168, 5320, 5484, 5712, 6384, 6398, 6460, 6783, 6855, 7140, 7312, 7752, 7769, 7980, 8683, 9044, 9140, 9520, 9597, 9690, 10640, 10968, 11305, 12796, 12920, 13566, 13710, 14280, 15504, 15538, 15960, 15995, 17366, 18088, 18280, 19194, 19380, 21936, 22610, 23307, 25592, 25840, 26049, 27132, 27420, 28560, 31076, 31920, 31990, 33915, 34732, 36176, 36560, 38388, 38760, 38845, 43415, 45220, 46614, 47985, 51184, 52098, 54264, 54383, 54840, 60781, 62152, 63980, 67830, 69464, 76776, 77520, 77690, 86830, 90440, 93228, 95970, 104196, 108528, 108766, 109680, 116535, 121562, 124304, 127960, 130245, 135660, 138928, 147611, 153552, 155380, 163149, 173660, 180880, 182343, 186456, 191940, 208392, 217532, 233070, 243124, 255920, 260490, 271320, 271915, 295222, 303905, 310760, 326298, 347320, 364686, 372912, 383880, 416784, 435064, 442833, 466140, 486248, 520980, 542640, 543830, 590444, 607810, 621520, 652596, 694640, 729372, 738055, 767760, 815745, 870128, 885666, 911715, 932280, 972496, 1033277, 1041960, 1087660, 1180888, 1215620, 1305192, 1458744, 1476110, 1631490, 1771332, 1823430, 1864560, 2066554, 2083920, 2175320, 2214165, 2361776, 2431240, 2610384, 2917488, 2952220, 3099831, 3262980, 3542664, 3646860, 4133108, 4350640, 4428330, 4862480, 5166385, 5904440, 6199662, 6525960, 7085328, 7293720, 8266216, 8856660, 10332770, 11808880, 12399324, 13051920, 14587440, 15499155, 16532432, 17713320, 20665540, 24798648, 30998310, 35426640, 41331080, 49597296, 61996620, 82662160, 123993240, 247986480]

約数ペア:

[(1, 247986480), (2, 123993240), (3, 82662160), (4, 61996620), (5, 49597296), (6, 41331080), (7, 35426640), (8, 30998310), (10, 24798648), (12, 20665540), (14, 17713320), (15, 16532432), (16, 15499155), (17, 14587440), (19, 13051920), (20, 12399324), (21, 11808880), (24, 10332770), (28, 8856660), (30, 8266216), (34, 7293720), (35, 7085328), (38, 6525960), (40, 6199662), (42, 5904440), (48, 5166385), (51, 4862480), (56, 4428330), (57, 4350640), (60, 4133108), (68, 3646860), (70, 3542664), (76, 3262980), (80, 3099831), (84, 2952220), (85, 2917488), (95, 2610384), (102, 2431240), (105, 2361776), (112, 2214165), (114, 2175320), (119, 2083920), (120, 2066554), (133, 1864560), (136, 1823430), (140, 1771332), (152, 1631490), (168, 1476110), (170, 1458744), (190, 1305192), (204, 1215620), (210, 1180888), (228, 1087660), (238, 1041960), (240, 1033277), (255, 972496), (266, 932280), (272, 911715), (280, 885666), (285, 870128), (304, 815745), (323, 767760), (336, 738055), (340, 729372), (357, 694640), (380, 652596), (399, 621520), (408, 607810), (420, 590444), (456, 543830), (457, 542640), (476, 520980), (510, 486248), (532, 466140), (560, 442833), (570, 435064), (595, 416784), (646, 383880), (665, 372912), (680, 364686), (714, 347320), (760, 326298), (798, 310760), (816, 303905), (840, 295222), (912, 271915), (914, 271320), (952, 260490), (969, 255920), (1020, 243124), (1064, 233070), (1140, 217532), (1190, 208392), (1292, 191940), (1330, 186456), (1360, 182343), (1371, 180880), (1428, 173660), (1520, 163149), (1596, 155380), (1615, 153552), (1680, 147611), (1785, 138928), (1828, 135660), (1904, 130245), (1938, 127960), (1995, 124304), (2040, 121562), (2128, 116535), (2261, 109680), (2280, 108766), (2285, 108528), (2380, 104196), (2584, 95970), (2660, 93228), (2742, 90440), (2856, 86830), (3192, 77690), (3199, 77520), (3230, 76776), (3570, 69464), (3656, 67830), (3876, 63980), (3990, 62152), (4080, 60781), (4522, 54840), (4560, 54383), (4570, 54264), (4760, 52098), (4845, 51184), (5168, 47985), (5320, 46614), (5484, 45220), (5712, 43415), (6384, 38845), (6398, 38760), (6460, 38388), (6783, 36560), (6855, 36176), (7140, 34732), (7312, 33915), (7752, 31990), (7769, 31920), (7980, 31076), (8683, 28560), (9044, 27420), (9140, 27132), (9520, 26049), (9597, 25840), (9690, 25592), (10640, 23307), (10968, 22610), (11305, 21936), (12796, 19380), (12920, 19194), (13566, 18280), (13710, 18088), (14280, 17366), (15504, 15995), (15538, 15960)]