81160728

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:309

約数の個数: 128

約数和(自身を含む): 234455040

約数和(自身を除く): 153294312

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 31, 33, 44, 47, 62, 66, 88, 93, 94, 124, 132, 141, 186, 188, 211, 248, 264, 282, 341, 372, 376, 422, 517, 564, 633, 682, 744, 844, 1023, 1034, 1128, 1266, 1364, 1457, 1551, 1688, 2046, 2068, 2321, 2532, 2728, 2914, 3102, 4092, 4136, 4371, 4642, 5064, 5828, 6204, 6541, 6963, 8184, 8742, 9284, 9917, 11656, 12408, 13082, 13926, 16027, 17484, 18568, 19623, 19834, 26164, 27852, 29751, 32054, 34968, 39246, 39668, 48081, 52328, 55704, 59502, 64108, 71951, 78492, 79336, 96162, 109087, 119004, 128216, 143902, 156984, 192324, 215853, 218174, 238008, 287804, 307427, 327261, 384648, 431706, 436348, 575608, 614854, 654522, 863412, 872696, 922281, 1229708, 1309044, 1726824, 1844562, 2459416, 2618088, 3381697, 3689124, 6763394, 7378248, 10145091, 13526788, 20290182, 27053576, 40580364, 81160728]

約数ペア:

[(1, 81160728), (2, 40580364), (3, 27053576), (4, 20290182), (6, 13526788), (8, 10145091), (11, 7378248), (12, 6763394), (22, 3689124), (24, 3381697), (31, 2618088), (33, 2459416), (44, 1844562), (47, 1726824), (62, 1309044), (66, 1229708), (88, 922281), (93, 872696), (94, 863412), (124, 654522), (132, 614854), (141, 575608), (186, 436348), (188, 431706), (211, 384648), (248, 327261), (264, 307427), (282, 287804), (341, 238008), (372, 218174), (376, 215853), (422, 192324), (517, 156984), (564, 143902), (633, 128216), (682, 119004), (744, 109087), (844, 96162), (1023, 79336), (1034, 78492), (1128, 71951), (1266, 64108), (1364, 59502), (1457, 55704), (1551, 52328), (1688, 48081), (2046, 39668), (2068, 39246), (2321, 34968), (2532, 32054), (2728, 29751), (2914, 27852), (3102, 26164), (4092, 19834), (4136, 19623), (4371, 18568), (4642, 17484), (5064, 16027), (5828, 13926), (6204, 13082), (6541, 12408), (6963, 11656), (8184, 9917), (8742, 9284)]