66407640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{42569}}^1$

素因数の和:42596

約数の個数: 64

約数和(自身を含む): 214552800

約数和(自身を除く): 148145160

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, 42569, 85138, 127707, 170276, 212845, 255414, 340552, 425690, 510828, 553397, 638535, 851380, 1021656, 1106794, 1277070, 1660191, 1702760, 2213588, 2554140, 2766985, 3320382, 4427176, 5108280, 5533970, 6640764, 8300955, 11067940, 13281528, 16601910, 22135880, 33203820, 66407640]

約数ペア:

[(1, 66407640), (2, 33203820), (3, 22135880), (4, 16601910), (5, 13281528), (6, 11067940), (8, 8300955), (10, 6640764), (12, 5533970), (13, 5108280), (15, 4427176), (20, 3320382), (24, 2766985), (26, 2554140), (30, 2213588), (39, 1702760), (40, 1660191), (52, 1277070), (60, 1106794), (65, 1021656), (78, 851380), (104, 638535), (120, 553397), (130, 510828), (156, 425690), (195, 340552), (260, 255414), (312, 212845), (390, 170276), (520, 127707), (780, 85138), (1560, 42569)]