623480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:144

約数の個数: 64

約数和(自身を含む): 1663200

約数和(自身を除く): 1039720

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 109, 110, 130, 143, 218, 220, 260, 286, 436, 440, 520, 545, 572, 715, 872, 1090, 1144, 1199, 1417, 1430, 2180, 2398, 2834, 2860, 4360, 4796, 5668, 5720, 5995, 7085, 9592, 11336, 11990, 14170, 15587, 23980, 28340, 31174, 47960, 56680, 62348, 77935, 124696, 155870, 311740, 623480]

約数ペア:

[(1, 623480), (2, 311740), (4, 155870), (5, 124696), (8, 77935), (10, 62348), (11, 56680), (13, 47960), (20, 31174), (22, 28340), (26, 23980), (40, 15587), (44, 14170), (52, 11990), (55, 11336), (65, 9592), (88, 7085), (104, 5995), (109, 5720), (110, 5668), (130, 4796), (143, 4360), (218, 2860), (220, 2834), (260, 2398), (286, 2180), (436, 1430), (440, 1417), (520, 1199), (545, 1144), (572, 1090), (715, 872)]