268131760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{829}}^1$

素因数の和:1166

約数の個数: 80

約数和(自身を含む): 674331840

約数和(自身を除く): 406200080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 311, 520, 622, 829, 1040, 1244, 1555, 1658, 2488, 3110, 3316, 4043, 4145, 4976, 6220, 6632, 8086, 8290, 10777, 12440, 13264, 16172, 16580, 20215, 21554, 24880, 32344, 33160, 40430, 43108, 53885, 64688, 66320, 80860, 86216, 107770, 161720, 172432, 215540, 257819, 323440, 431080, 515638, 862160, 1031276, 1289095, 2062552, 2578190, 3351647, 4125104, 5156380, 6703294, 10312760, 13406588, 16758235, 20625520, 26813176, 33516470, 53626352, 67032940, 134065880, 268131760]

約数ペア:

[(1, 268131760), (2, 134065880), (4, 67032940), (5, 53626352), (8, 33516470), (10, 26813176), (13, 20625520), (16, 16758235), (20, 13406588), (26, 10312760), (40, 6703294), (52, 5156380), (65, 4125104), (80, 3351647), (104, 2578190), (130, 2062552), (208, 1289095), (260, 1031276), (311, 862160), (520, 515638), (622, 431080), (829, 323440), (1040, 257819), (1244, 215540), (1555, 172432), (1658, 161720), (2488, 107770), (3110, 86216), (3316, 80860), (4043, 66320), (4145, 64688), (4976, 53885), (6220, 43108), (6632, 40430), (8086, 33160), (8290, 32344), (10777, 24880), (12440, 21554), (13264, 20215), (16172, 16580)]