31135720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{919}}^1$

素因数の和:959

約数の個数: 96

約数和(自身を含む): 88099200

約数和(自身を除く): 56963480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 121, 140, 154, 220, 242, 280, 308, 385, 440, 484, 605, 616, 770, 847, 919, 968, 1210, 1540, 1694, 1838, 2420, 3080, 3388, 3676, 4235, 4595, 4840, 6433, 6776, 7352, 8470, 9190, 10109, 12866, 16940, 18380, 20218, 25732, 32165, 33880, 36760, 40436, 50545, 51464, 64330, 70763, 80872, 101090, 111199, 128660, 141526, 202180, 222398, 257320, 283052, 353815, 404360, 444796, 555995, 566104, 707630, 778393, 889592, 1111990, 1415260, 1556786, 2223980, 2830520, 3113572, 3891965, 4447960, 6227144, 7783930, 15567860, 31135720]

約数ペア:

[(1, 31135720), (2, 15567860), (4, 7783930), (5, 6227144), (7, 4447960), (8, 3891965), (10, 3113572), (11, 2830520), (14, 2223980), (20, 1556786), (22, 1415260), (28, 1111990), (35, 889592), (40, 778393), (44, 707630), (55, 566104), (56, 555995), (70, 444796), (77, 404360), (88, 353815), (110, 283052), (121, 257320), (140, 222398), (154, 202180), (220, 141526), (242, 128660), (280, 111199), (308, 101090), (385, 80872), (440, 70763), (484, 64330), (605, 51464), (616, 50545), (770, 40436), (847, 36760), (919, 33880), (968, 32165), (1210, 25732), (1540, 20218), (1694, 18380), (1838, 16940), (2420, 12866), (3080, 10109), (3388, 9190), (3676, 8470), (4235, 7352), (4595, 6776), (4840, 6433)]