27239777720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{321679}}^1$

素因数の和:321792

約数の個数: 64

約数和(自身を含む): 64271664000

約数和(自身を除く): 37031886280

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 73, 116, 145, 146, 232, 290, 292, 365, 580, 584, 730, 1160, 1460, 2117, 2920, 4234, 8468, 10585, 16936, 21170, 42340, 84680, 321679, 643358, 1286716, 1608395, 2573432, 3216790, 6433580, 9328691, 12867160, 18657382, 23482567, 37314764, 46643455, 46965134, 74629528, 93286910, 93930268, 117412835, 186573820, 187860536, 234825670, 373147640, 469651340, 680994443, 939302680, 1361988886, 2723977772, 3404972215, 5447955544, 6809944430, 13619888860, 27239777720]

約数ペア:

[(1, 27239777720), (2, 13619888860), (4, 6809944430), (5, 5447955544), (8, 3404972215), (10, 2723977772), (20, 1361988886), (29, 939302680), (40, 680994443), (58, 469651340), (73, 373147640), (116, 234825670), (145, 187860536), (146, 186573820), (232, 117412835), (290, 93930268), (292, 93286910), (365, 74629528), (580, 46965134), (584, 46643455), (730, 37314764), (1160, 23482567), (1460, 18657382), (2117, 12867160), (2920, 9328691), (4234, 6433580), (8468, 3216790), (10585, 2573432), (16936, 1608395), (21170, 1286716), (42340, 643358), (84680, 321679)]