12990560

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^3\times {\mathrm{61}}^1$

素因数の和:109

約数の個数: 96

約数和(自身を含む): 34310304

約数和(自身を除く): 21319744

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 61, 80, 88, 110, 121, 122, 160, 176, 220, 242, 244, 305, 352, 440, 484, 488, 605, 610, 671, 880, 968, 976, 1210, 1220, 1331, 1342, 1760, 1936, 1952, 2420, 2440, 2662, 2684, 3355, 3872, 4840, 4880, 5324, 5368, 6655, 6710, 7381, 9680, 9760, 10648, 10736, 13310, 13420, 14762, 19360, 21296, 21472, 26620, 26840, 29524, 36905, 42592, 53240, 53680, 59048, 73810, 81191, 106480, 107360, 118096, 147620, 162382, 212960, 236192, 295240, 324764, 405955, 590480, 649528, 811910, 1180960, 1299056, 1623820, 2598112, 3247640, 6495280, 12990560]

約数ペア:

[(1, 12990560), (2, 6495280), (4, 3247640), (5, 2598112), (8, 1623820), (10, 1299056), (11, 1180960), (16, 811910), (20, 649528), (22, 590480), (32, 405955), (40, 324764), (44, 295240), (55, 236192), (61, 212960), (80, 162382), (88, 147620), (110, 118096), (121, 107360), (122, 106480), (160, 81191), (176, 73810), (220, 59048), (242, 53680), (244, 53240), (305, 42592), (352, 36905), (440, 29524), (484, 26840), (488, 26620), (605, 21472), (610, 21296), (671, 19360), (880, 14762), (968, 13420), (976, 13310), (1210, 10736), (1220, 10648), (1331, 9760), (1342, 9680), (1760, 7381), (1936, 6710), (1952, 6655), (2420, 5368), (2440, 5324), (2662, 4880), (2684, 4840), (3355, 3872)]