1816360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1$

素因数の和:530

約数の個数: 64

約数和(自身を含む): 5040000

約数和(自身を除く): 3223640

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 499, 520, 728, 910, 998, 1820, 1996, 2495, 3493, 3640, 3992, 4990, 6487, 6986, 9980, 12974, 13972, 17465, 19960, 25948, 27944, 32435, 34930, 45409, 51896, 64870, 69860, 90818, 129740, 139720, 181636, 227045, 259480, 363272, 454090, 908180, 1816360]

約数ペア:

[(1, 1816360), (2, 908180), (4, 454090), (5, 363272), (7, 259480), (8, 227045), (10, 181636), (13, 139720), (14, 129740), (20, 90818), (26, 69860), (28, 64870), (35, 51896), (40, 45409), (52, 34930), (56, 32435), (65, 27944), (70, 25948), (91, 19960), (104, 17465), (130, 13972), (140, 12974), (182, 9980), (260, 6986), (280, 6487), (364, 4990), (455, 3992), (499, 3640), (520, 3493), (728, 2495), (910, 1996), (998, 1820)]