1871480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:144

約数の個数: 64

約数和(自身を含む): 4687200

約数和(自身を除く): 2815720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 59, 61, 65, 104, 118, 122, 130, 236, 244, 260, 295, 305, 472, 488, 520, 590, 610, 767, 793, 1180, 1220, 1534, 1586, 2360, 2440, 3068, 3172, 3599, 3835, 3965, 6136, 6344, 7198, 7670, 7930, 14396, 15340, 15860, 17995, 28792, 30680, 31720, 35990, 46787, 71980, 93574, 143960, 187148, 233935, 374296, 467870, 935740, 1871480]

約数ペア:

[(1, 1871480), (2, 935740), (4, 467870), (5, 374296), (8, 233935), (10, 187148), (13, 143960), (20, 93574), (26, 71980), (40, 46787), (52, 35990), (59, 31720), (61, 30680), (65, 28792), (104, 17995), (118, 15860), (122, 15340), (130, 14396), (236, 7930), (244, 7670), (260, 7198), (295, 6344), (305, 6136), (472, 3965), (488, 3835), (520, 3599), (590, 3172), (610, 3068), (767, 2440), (793, 2360), (1180, 1586), (1220, 1534)]