311914720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5171}}^1$

素因数の和:5228

約数の個数: 96

約数和(自身を含む): 821106720

約数和(自身を除く): 509192000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 32, 40, 52, 58, 65, 80, 104, 116, 130, 145, 160, 208, 232, 260, 290, 377, 416, 464, 520, 580, 754, 928, 1040, 1160, 1508, 1885, 2080, 2320, 3016, 3770, 4640, 5171, 6032, 7540, 10342, 12064, 15080, 20684, 25855, 30160, 41368, 51710, 60320, 67223, 82736, 103420, 134446, 149959, 165472, 206840, 268892, 299918, 336115, 413680, 537784, 599836, 672230, 749795, 827360, 1075568, 1199672, 1344460, 1499590, 1949467, 2151136, 2399344, 2688920, 2999180, 3898934, 4798688, 5377840, 5998360, 7797868, 9747335, 10755680, 11996720, 15595736, 19494670, 23993440, 31191472, 38989340, 62382944, 77978680, 155957360, 311914720]

約数ペア:

[(1, 311914720), (2, 155957360), (4, 77978680), (5, 62382944), (8, 38989340), (10, 31191472), (13, 23993440), (16, 19494670), (20, 15595736), (26, 11996720), (29, 10755680), (32, 9747335), (40, 7797868), (52, 5998360), (58, 5377840), (65, 4798688), (80, 3898934), (104, 2999180), (116, 2688920), (130, 2399344), (145, 2151136), (160, 1949467), (208, 1499590), (232, 1344460), (260, 1199672), (290, 1075568), (377, 827360), (416, 749795), (464, 672230), (520, 599836), (580, 537784), (754, 413680), (928, 336115), (1040, 299918), (1160, 268892), (1508, 206840), (1885, 165472), (2080, 149959), (2320, 134446), (3016, 103420), (3770, 82736), (4640, 67223), (5171, 60320), (6032, 51710), (7540, 41368), (10342, 30160), (12064, 25855), (15080, 20684)]