145018640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:265

約数の個数: 160

約数和(自身を含む): 393724800

約数和(自身を除く): 248706160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 41, 52, 65, 76, 80, 82, 95, 104, 130, 152, 164, 179, 190, 205, 208, 247, 260, 304, 328, 358, 380, 410, 494, 520, 533, 656, 716, 760, 779, 820, 895, 988, 1040, 1066, 1235, 1432, 1520, 1558, 1640, 1790, 1976, 2132, 2327, 2470, 2665, 2864, 3116, 3280, 3401, 3580, 3895, 3952, 4264, 4654, 4940, 5330, 6232, 6802, 7160, 7339, 7790, 8528, 9308, 9880, 10127, 10660, 11635, 12464, 13604, 14320, 14678, 15580, 17005, 18616, 19760, 20254, 21320, 23270, 27208, 29356, 31160, 34010, 36695, 37232, 40508, 42640, 44213, 46540, 50635, 54416, 58712, 62320, 68020, 73390, 81016, 88426, 93080, 95407, 101270, 117424, 136040, 139441, 146780, 162032, 176852, 186160, 190814, 202540, 221065, 272080, 278882, 293560, 353704, 381628, 405080, 442130, 477035, 557764, 587120, 697205, 707408, 763256, 810160, 884260, 954070, 1115528, 1394410, 1526512, 1768520, 1812733, 1908140, 2231056, 2788820, 3537040, 3625466, 3816280, 5577640, 7250932, 7632560, 9063665, 11155280, 14501864, 18127330, 29003728, 36254660, 72509320, 145018640]

約数ペア:

[(1, 145018640), (2, 72509320), (4, 36254660), (5, 29003728), (8, 18127330), (10, 14501864), (13, 11155280), (16, 9063665), (19, 7632560), (20, 7250932), (26, 5577640), (38, 3816280), (40, 3625466), (41, 3537040), (52, 2788820), (65, 2231056), (76, 1908140), (80, 1812733), (82, 1768520), (95, 1526512), (104, 1394410), (130, 1115528), (152, 954070), (164, 884260), (179, 810160), (190, 763256), (205, 707408), (208, 697205), (247, 587120), (260, 557764), (304, 477035), (328, 442130), (358, 405080), (380, 381628), (410, 353704), (494, 293560), (520, 278882), (533, 272080), (656, 221065), (716, 202540), (760, 190814), (779, 186160), (820, 176852), (895, 162032), (988, 146780), (1040, 139441), (1066, 136040), (1235, 117424), (1432, 101270), (1520, 95407), (1558, 93080), (1640, 88426), (1790, 81016), (1976, 73390), (2132, 68020), (2327, 62320), (2470, 58712), (2665, 54416), (2864, 50635), (3116, 46540), (3280, 44213), (3401, 42640), (3580, 40508), (3895, 37232), (3952, 36695), (4264, 34010), (4654, 31160), (4940, 29356), (5330, 27208), (6232, 23270), (6802, 21320), (7160, 20254), (7339, 19760), (7790, 18616), (8528, 17005), (9308, 15580), (9880, 14678), (10127, 14320), (10660, 13604), (11635, 12464)]