642108540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{991}}^1\times {\mathrm{10799}}^1$

素因数の和:11802

約数の個数: 48

約数和(自身を含む): 1799884800

約数和(自身を除く): 1157776260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 991, 1982, 2973, 3964, 4955, 5946, 9910, 10799, 11892, 14865, 19820, 21598, 29730, 32397, 43196, 53995, 59460, 64794, 107990, 129588, 161985, 215980, 323970, 647940, 10701809, 21403618, 32105427, 42807236, 53509045, 64210854, 107018090, 128421708, 160527135, 214036180, 321054270, 642108540]

約数ペア:

[(1, 642108540), (2, 321054270), (3, 214036180), (4, 160527135), (5, 128421708), (6, 107018090), (10, 64210854), (12, 53509045), (15, 42807236), (20, 32105427), (30, 21403618), (60, 10701809), (991, 647940), (1982, 323970), (2973, 215980), (3964, 161985), (4955, 129588), (5946, 107990), (9910, 64794), (10799, 59460), (11892, 53995), (14865, 43196), (19820, 32397), (21598, 29730)]