66279720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{42487}}^1$

素因数の和:42514

約数の個数: 64

約数和(自身を含む): 214139520

約数和(自身を除く): 147859800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 42487, 84974, 127461, 169948, 212435, 254922, 339896, 424870, 509844, 552331, 637305, 849740, 1019688, 1104662, 1274610, 1656993, 1699480, 2209324, 2549220, 2761655, 3313986, 4418648, 5098440, 5523310, 6627972, 8284965, 11046620, 13255944, 16569930, 22093240, 33139860, 66279720]

約数ペア:

[(1, 66279720), (2, 33139860), (3, 22093240), (4, 16569930), (5, 13255944), (6, 11046620), (8, 8284965), (10, 6627972), (12, 5523310), (13, 5098440), (15, 4418648), (20, 3313986), (24, 2761655), (26, 2549220), (30, 2209324), (39, 1699480), (40, 1656993), (52, 1274610), (60, 1104662), (65, 1019688), (78, 849740), (104, 637305), (120, 552331), (130, 509844), (156, 424870), (195, 339896), (260, 254922), (312, 212435), (390, 169948), (520, 127461), (780, 84974), (1560, 42487)]