55872180

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1$

素因数の和:420

約数の個数: 240

約数和(自身を含む): 216289920

約数和(自身を除く): 160417740

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 52, 54, 60, 63, 65, 70, 78, 81, 84, 90, 91, 105, 108, 117, 126, 130, 135, 140, 156, 162, 180, 182, 189, 195, 210, 234, 252, 260, 270, 273, 315, 324, 351, 364, 378, 379, 390, 405, 420, 455, 468, 540, 546, 567, 585, 630, 702, 756, 758, 780, 810, 819, 910, 945, 1053, 1092, 1134, 1137, 1170, 1260, 1365, 1404, 1516, 1620, 1638, 1755, 1820, 1890, 1895, 2106, 2268, 2274, 2340, 2457, 2653, 2730, 2835, 3276, 3411, 3510, 3780, 3790, 4095, 4212, 4548, 4914, 4927, 5265, 5306, 5460, 5670, 5685, 6822, 7020, 7371, 7580, 7959, 8190, 9828, 9854, 10233, 10530, 10612, 11340, 11370, 12285, 13265, 13644, 14742, 14781, 15918, 16380, 17055, 19708, 20466, 21060, 22740, 23877, 24570, 24635, 26530, 29484, 29562, 30699, 31836, 34110, 34489, 36855, 39795, 40932, 44343, 47754, 49140, 49270, 51165, 53060, 59124, 61398, 68220, 68978, 71631, 73710, 73905, 79590, 88686, 95508, 98540, 102330, 103467, 119385, 122796, 133029, 137956, 143262, 147420, 147810, 153495, 159180, 172445, 177372, 204660, 206934, 214893, 221715, 238770, 266058, 286524, 295620, 306990, 310401, 344890, 358155, 399087, 413868, 429786, 443430, 477540, 517335, 532116, 613980, 620802, 665145, 689780, 716310, 798174, 859572, 886860, 931203, 1034670, 1074465, 1241604, 1330290, 1432620, 1552005, 1596348, 1862406, 1995435, 2069340, 2148930, 2660580, 2793609, 3104010, 3724812, 3990870, 4297860, 4656015, 5587218, 6208020, 7981740, 9312030, 11174436, 13968045, 18624060, 27936090, 55872180]

約数ペア:

[(1, 55872180), (2, 27936090), (3, 18624060), (4, 13968045), (5, 11174436), (6, 9312030), (7, 7981740), (9, 6208020), (10, 5587218), (12, 4656015), (13, 4297860), (14, 3990870), (15, 3724812), (18, 3104010), (20, 2793609), (21, 2660580), (26, 2148930), (27, 2069340), (28, 1995435), (30, 1862406), (35, 1596348), (36, 1552005), (39, 1432620), (42, 1330290), (45, 1241604), (52, 1074465), (54, 1034670), (60, 931203), (63, 886860), (65, 859572), (70, 798174), (78, 716310), (81, 689780), (84, 665145), (90, 620802), (91, 613980), (105, 532116), (108, 517335), (117, 477540), (126, 443430), (130, 429786), (135, 413868), (140, 399087), (156, 358155), (162, 344890), (180, 310401), (182, 306990), (189, 295620), (195, 286524), (210, 266058), (234, 238770), (252, 221715), (260, 214893), (270, 206934), (273, 204660), (315, 177372), (324, 172445), (351, 159180), (364, 153495), (378, 147810), (379, 147420), (390, 143262), (405, 137956), (420, 133029), (455, 122796), (468, 119385), (540, 103467), (546, 102330), (567, 98540), (585, 95508), (630, 88686), (702, 79590), (756, 73905), (758, 73710), (780, 71631), (810, 68978), (819, 68220), (910, 61398), (945, 59124), (1053, 53060), (1092, 51165), (1134, 49270), (1137, 49140), (1170, 47754), (1260, 44343), (1365, 40932), (1404, 39795), (1516, 36855), (1620, 34489), (1638, 34110), (1755, 31836), (1820, 30699), (1890, 29562), (1895, 29484), (2106, 26530), (2268, 24635), (2274, 24570), (2340, 23877), (2457, 22740), (2653, 21060), (2730, 20466), (2835, 19708), (3276, 17055), (3411, 16380), (3510, 15918), (3780, 14781), (3790, 14742), (4095, 13644), (4212, 13265), (4548, 12285), (4914, 11370), (4927, 11340), (5265, 10612), (5306, 10530), (5460, 10233), (5670, 9854), (5685, 9828), (6822, 8190), (7020, 7959), (7371, 7580)]