315659960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^5$

素因数の和:80

約数の個数: 144

約数和(自身を含む): 908810280

約数和(自身を除く): 593150320

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 121, 140, 154, 196, 220, 242, 245, 280, 308, 385, 392, 440, 484, 490, 539, 605, 616, 770, 847, 968, 980, 1078, 1210, 1331, 1540, 1694, 1960, 2156, 2420, 2662, 2695, 3080, 3388, 4235, 4312, 4840, 5324, 5390, 5929, 6655, 6776, 8470, 9317, 10648, 10780, 11858, 13310, 14641, 16940, 18634, 21560, 23716, 26620, 29282, 29645, 33880, 37268, 46585, 47432, 53240, 58564, 59290, 65219, 73205, 74536, 93170, 102487, 117128, 118580, 130438, 146410, 161051, 186340, 204974, 237160, 260876, 292820, 322102, 326095, 372680, 409948, 512435, 521752, 585640, 644204, 652190, 717409, 805255, 819896, 1024870, 1127357, 1288408, 1304380, 1434818, 1610510, 2049740, 2254714, 2608760, 2869636, 3221020, 3587045, 4099480, 4509428, 5636785, 5739272, 6442040, 7174090, 7891499, 9018856, 11273570, 14348180, 15782998, 22547140, 28696360, 31565996, 39457495, 45094280, 63131992, 78914990, 157829980, 315659960]

約数ペア:

[(1, 315659960), (2, 157829980), (4, 78914990), (5, 63131992), (7, 45094280), (8, 39457495), (10, 31565996), (11, 28696360), (14, 22547140), (20, 15782998), (22, 14348180), (28, 11273570), (35, 9018856), (40, 7891499), (44, 7174090), (49, 6442040), (55, 5739272), (56, 5636785), (70, 4509428), (77, 4099480), (88, 3587045), (98, 3221020), (110, 2869636), (121, 2608760), (140, 2254714), (154, 2049740), (196, 1610510), (220, 1434818), (242, 1304380), (245, 1288408), (280, 1127357), (308, 1024870), (385, 819896), (392, 805255), (440, 717409), (484, 652190), (490, 644204), (539, 585640), (605, 521752), (616, 512435), (770, 409948), (847, 372680), (968, 326095), (980, 322102), (1078, 292820), (1210, 260876), (1331, 237160), (1540, 204974), (1694, 186340), (1960, 161051), (2156, 146410), (2420, 130438), (2662, 118580), (2695, 117128), (3080, 102487), (3388, 93170), (4235, 74536), (4312, 73205), (4840, 65219), (5324, 59290), (5390, 58564), (5929, 53240), (6655, 47432), (6776, 46585), (8470, 37268), (9317, 33880), (10648, 29645), (10780, 29282), (11858, 26620), (13310, 23716), (14641, 21560), (16940, 18634)]