258141520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{601}}^1$

素因数の和:693

約数の個数: 160

約数和(自身を含む): 752451840

約数和(自身を除く): 494310320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 59, 65, 70, 80, 91, 104, 112, 118, 130, 140, 182, 208, 236, 260, 280, 295, 364, 413, 455, 472, 520, 560, 590, 601, 728, 767, 826, 910, 944, 1040, 1180, 1202, 1456, 1534, 1652, 1820, 2065, 2360, 2404, 3005, 3068, 3304, 3640, 3835, 4130, 4207, 4720, 4808, 5369, 6010, 6136, 6608, 7280, 7670, 7813, 8260, 8414, 9616, 10738, 12020, 12272, 15340, 15626, 16520, 16828, 21035, 21476, 24040, 26845, 30680, 31252, 33040, 33656, 35459, 39065, 42070, 42952, 48080, 53690, 54691, 61360, 62504, 67312, 70918, 78130, 84140, 85904, 107380, 109382, 125008, 141836, 156260, 168280, 177295, 214760, 218764, 248213, 273455, 283672, 312520, 336560, 354590, 429520, 437528, 460967, 496426, 546910, 567344, 625040, 709180, 875056, 921934, 992852, 1093820, 1241065, 1418360, 1843868, 1985704, 2187640, 2304835, 2482130, 2836720, 3226769, 3687736, 3971408, 4375280, 4609670, 4964260, 6453538, 7375472, 9219340, 9928520, 12907076, 16133845, 18438680, 19857040, 25814152, 32267690, 36877360, 51628304, 64535380, 129070760, 258141520]

約数ペア:

[(1, 258141520), (2, 129070760), (4, 64535380), (5, 51628304), (7, 36877360), (8, 32267690), (10, 25814152), (13, 19857040), (14, 18438680), (16, 16133845), (20, 12907076), (26, 9928520), (28, 9219340), (35, 7375472), (40, 6453538), (52, 4964260), (56, 4609670), (59, 4375280), (65, 3971408), (70, 3687736), (80, 3226769), (91, 2836720), (104, 2482130), (112, 2304835), (118, 2187640), (130, 1985704), (140, 1843868), (182, 1418360), (208, 1241065), (236, 1093820), (260, 992852), (280, 921934), (295, 875056), (364, 709180), (413, 625040), (455, 567344), (472, 546910), (520, 496426), (560, 460967), (590, 437528), (601, 429520), (728, 354590), (767, 336560), (826, 312520), (910, 283672), (944, 273455), (1040, 248213), (1180, 218764), (1202, 214760), (1456, 177295), (1534, 168280), (1652, 156260), (1820, 141836), (2065, 125008), (2360, 109382), (2404, 107380), (3005, 85904), (3068, 84140), (3304, 78130), (3640, 70918), (3835, 67312), (4130, 62504), (4207, 61360), (4720, 54691), (4808, 53690), (5369, 48080), (6010, 42952), (6136, 42070), (6608, 39065), (7280, 35459), (7670, 33656), (7813, 33040), (8260, 31252), (8414, 30680), (9616, 26845), (10738, 24040), (12020, 21476), (12272, 21035), (15340, 16828), (15626, 16520)]