18721080

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:83

約数の個数: 384

約数和(自身を含む): 80870400

約数和(自身を除く): 62149320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 17, 18, 19, 20, 21, 23, 24, 28, 30, 34, 35, 36, 38, 40, 42, 45, 46, 51, 56, 57, 60, 63, 68, 69, 70, 72, 76, 84, 85, 90, 92, 95, 102, 105, 114, 115, 119, 120, 126, 133, 136, 138, 140, 152, 153, 161, 168, 170, 171, 180, 184, 190, 204, 207, 210, 228, 230, 238, 252, 255, 266, 276, 280, 285, 306, 315, 322, 323, 340, 342, 345, 357, 360, 380, 391, 399, 408, 414, 420, 437, 456, 460, 476, 483, 504, 510, 532, 552, 570, 595, 612, 630, 644, 646, 665, 680, 684, 690, 714, 760, 765, 782, 798, 805, 828, 840, 855, 874, 920, 952, 966, 969, 1020, 1035, 1064, 1071, 1140, 1173, 1190, 1197, 1224, 1260, 1288, 1292, 1311, 1330, 1368, 1380, 1428, 1449, 1530, 1564, 1596, 1610, 1615, 1656, 1710, 1748, 1785, 1932, 1938, 1955, 1995, 2040, 2070, 2142, 2185, 2261, 2280, 2346, 2380, 2394, 2415, 2520, 2584, 2622, 2660, 2737, 2760, 2856, 2898, 2907, 3059, 3060, 3128, 3192, 3220, 3230, 3420, 3496, 3519, 3570, 3864, 3876, 3910, 3933, 3990, 4140, 4284, 4370, 4522, 4692, 4760, 4788, 4830, 4845, 5244, 5320, 5355, 5474, 5796, 5814, 5865, 5985, 6118, 6120, 6440, 6460, 6555, 6783, 6840, 7038, 7140, 7245, 7429, 7752, 7820, 7866, 7980, 8211, 8280, 8568, 8740, 9044, 9177, 9384, 9576, 9660, 9690, 10488, 10710, 10948, 11305, 11592, 11628, 11730, 11970, 12236, 12920, 13110, 13566, 13685, 14076, 14280, 14490, 14535, 14858, 15295, 15640, 15732, 15960, 16422, 17480, 17595, 18088, 18354, 19320, 19380, 19665, 20349, 21420, 21896, 22287, 22610, 23256, 23460, 23940, 24472, 24633, 26220, 27132, 27370, 27531, 28152, 28980, 29070, 29716, 30590, 31464, 32844, 33915, 35190, 36708, 37145, 38760, 39330, 40698, 41055, 42840, 44574, 45220, 45885, 46920, 47880, 49266, 52003, 52440, 54264, 54740, 55062, 57960, 58140, 59432, 61180, 65688, 66861, 67830, 70380, 73416, 74290, 78660, 81396, 82110, 89148, 90440, 91770, 98532, 101745, 104006, 109480, 110124, 111435, 116280, 122360, 123165, 133722, 135660, 137655, 140760, 148580, 156009, 157320, 162792, 164220, 178296, 183540, 197064, 203490, 208012, 220248, 222870, 246330, 260015, 267444, 271320, 275310, 297160, 312018, 328440, 334305, 367080, 406980, 416024, 445740, 468027, 492660, 520030, 534888, 550620, 624036, 668610, 780045, 813960, 891480, 936054, 985320, 1040060, 1101240, 1248072, 1337220, 1560090, 1872108, 2080120, 2340135, 2674440, 3120180, 3744216, 4680270, 6240360, 9360540, 18721080]

約数ペア:

[(1, 18721080), (2, 9360540), (3, 6240360), (4, 4680270), (5, 3744216), (6, 3120180), (7, 2674440), (8, 2340135), (9, 2080120), (10, 1872108), (12, 1560090), (14, 1337220), (15, 1248072), (17, 1101240), (18, 1040060), (19, 985320), (20, 936054), (21, 891480), (23, 813960), (24, 780045), (28, 668610), (30, 624036), (34, 550620), (35, 534888), (36, 520030), (38, 492660), (40, 468027), (42, 445740), (45, 416024), (46, 406980), (51, 367080), (56, 334305), (57, 328440), (60, 312018), (63, 297160), (68, 275310), (69, 271320), (70, 267444), (72, 260015), (76, 246330), (84, 222870), (85, 220248), (90, 208012), (92, 203490), (95, 197064), (102, 183540), (105, 178296), (114, 164220), (115, 162792), (119, 157320), (120, 156009), (126, 148580), (133, 140760), (136, 137655), (138, 135660), (140, 133722), (152, 123165), (153, 122360), (161, 116280), (168, 111435), (170, 110124), (171, 109480), (180, 104006), (184, 101745), (190, 98532), (204, 91770), (207, 90440), (210, 89148), (228, 82110), (230, 81396), (238, 78660), (252, 74290), (255, 73416), (266, 70380), (276, 67830), (280, 66861), (285, 65688), (306, 61180), (315, 59432), (322, 58140), (323, 57960), (340, 55062), (342, 54740), (345, 54264), (357, 52440), (360, 52003), (380, 49266), (391, 47880), (399, 46920), (408, 45885), (414, 45220), (420, 44574), (437, 42840), (456, 41055), (460, 40698), (476, 39330), (483, 38760), (504, 37145), (510, 36708), (532, 35190), (552, 33915), (570, 32844), (595, 31464), (612, 30590), (630, 29716), (644, 29070), (646, 28980), (665, 28152), (680, 27531), (684, 27370), (690, 27132), (714, 26220), (760, 24633), (765, 24472), (782, 23940), (798, 23460), (805, 23256), (828, 22610), (840, 22287), (855, 21896), (874, 21420), (920, 20349), (952, 19665), (966, 19380), (969, 19320), (1020, 18354), (1035, 18088), (1064, 17595), (1071, 17480), (1140, 16422), (1173, 15960), (1190, 15732), (1197, 15640), (1224, 15295), (1260, 14858), (1288, 14535), (1292, 14490), (1311, 14280), (1330, 14076), (1368, 13685), (1380, 13566), (1428, 13110), (1449, 12920), (1530, 12236), (1564, 11970), (1596, 11730), (1610, 11628), (1615, 11592), (1656, 11305), (1710, 10948), (1748, 10710), (1785, 10488), (1932, 9690), (1938, 9660), (1955, 9576), (1995, 9384), (2040, 9177), (2070, 9044), (2142, 8740), (2185, 8568), (2261, 8280), (2280, 8211), (2346, 7980), (2380, 7866), (2394, 7820), (2415, 7752), (2520, 7429), (2584, 7245), (2622, 7140), (2660, 7038), (2737, 6840), (2760, 6783), (2856, 6555), (2898, 6460), (2907, 6440), (3059, 6120), (3060, 6118), (3128, 5985), (3192, 5865), (3220, 5814), (3230, 5796), (3420, 5474), (3496, 5355), (3519, 5320), (3570, 5244), (3864, 4845), (3876, 4830), (3910, 4788), (3933, 4760), (3990, 4692), (4140, 4522), (4284, 4370)]