15690864040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{64849}}^1$

素因数の和:65146

約数の個数: 64

約数和(自身を含む): 36980064000

約数和(自身を除く): 21289199960

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 263, 460, 526, 920, 1052, 1315, 2104, 2630, 5260, 6049, 10520, 12098, 24196, 30245, 48392, 60490, 64849, 120980, 129698, 241960, 259396, 324245, 518792, 648490, 1296980, 1491527, 2593960, 2983054, 5966108, 7457635, 11932216, 14915270, 17055287, 29830540, 34110574, 59661080, 68221148, 85276435, 136442296, 170552870, 341105740, 392271601, 682211480, 784543202, 1569086404, 1961358005, 3138172808, 3922716010, 7845432020, 15690864040]

約数ペア:

[(1, 15690864040), (2, 7845432020), (4, 3922716010), (5, 3138172808), (8, 1961358005), (10, 1569086404), (20, 784543202), (23, 682211480), (40, 392271601), (46, 341105740), (92, 170552870), (115, 136442296), (184, 85276435), (230, 68221148), (263, 59661080), (460, 34110574), (526, 29830540), (920, 17055287), (1052, 14915270), (1315, 11932216), (2104, 7457635), (2630, 5966108), (5260, 2983054), (6049, 2593960), (10520, 1491527), (12098, 1296980), (24196, 648490), (30245, 518792), (48392, 324245), (60490, 259396), (64849, 241960), (120980, 129698)]