72509320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:263

約数の個数: 128

約数和(自身を含む): 190512000

約数和(自身を除く): 118002680

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 41, 52, 65, 76, 82, 95, 104, 130, 152, 164, 179, 190, 205, 247, 260, 328, 358, 380, 410, 494, 520, 533, 716, 760, 779, 820, 895, 988, 1066, 1235, 1432, 1558, 1640, 1790, 1976, 2132, 2327, 2470, 2665, 3116, 3401, 3580, 3895, 4264, 4654, 4940, 5330, 6232, 6802, 7160, 7339, 7790, 9308, 9880, 10127, 10660, 11635, 13604, 14678, 15580, 17005, 18616, 20254, 21320, 23270, 27208, 29356, 31160, 34010, 36695, 40508, 44213, 46540, 50635, 58712, 68020, 73390, 81016, 88426, 93080, 95407, 101270, 136040, 139441, 146780, 176852, 190814, 202540, 221065, 278882, 293560, 353704, 381628, 405080, 442130, 477035, 557764, 697205, 763256, 884260, 954070, 1115528, 1394410, 1768520, 1812733, 1908140, 2788820, 3625466, 3816280, 5577640, 7250932, 9063665, 14501864, 18127330, 36254660, 72509320]

約数ペア:

[(1, 72509320), (2, 36254660), (4, 18127330), (5, 14501864), (8, 9063665), (10, 7250932), (13, 5577640), (19, 3816280), (20, 3625466), (26, 2788820), (38, 1908140), (40, 1812733), (41, 1768520), (52, 1394410), (65, 1115528), (76, 954070), (82, 884260), (95, 763256), (104, 697205), (130, 557764), (152, 477035), (164, 442130), (179, 405080), (190, 381628), (205, 353704), (247, 293560), (260, 278882), (328, 221065), (358, 202540), (380, 190814), (410, 176852), (494, 146780), (520, 139441), (533, 136040), (716, 101270), (760, 95407), (779, 93080), (820, 88426), (895, 81016), (988, 73390), (1066, 68020), (1235, 58712), (1432, 50635), (1558, 46540), (1640, 44213), (1790, 40508), (1976, 36695), (2132, 34010), (2327, 31160), (2470, 29356), (2665, 27208), (3116, 23270), (3401, 21320), (3580, 20254), (3895, 18616), (4264, 17005), (4654, 15580), (4940, 14678), (5330, 13604), (6232, 11635), (6802, 10660), (7160, 10127), (7339, 9880), (7790, 9308)]