7281560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:121

約数の個数: 128

約数和(自身を含む): 20563200

約数和(自身を除く): 13281640

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 19, 20, 22, 26, 38, 40, 44, 52, 55, 65, 67, 76, 88, 95, 104, 110, 130, 134, 143, 152, 190, 209, 220, 247, 260, 268, 286, 335, 380, 418, 440, 494, 520, 536, 572, 670, 715, 737, 760, 836, 871, 988, 1045, 1144, 1235, 1273, 1340, 1430, 1474, 1672, 1742, 1976, 2090, 2470, 2546, 2680, 2717, 2860, 2948, 3484, 3685, 4180, 4355, 4940, 5092, 5434, 5720, 5896, 6365, 6968, 7370, 8360, 8710, 9581, 9880, 10184, 10868, 12730, 13585, 14003, 14740, 16549, 17420, 19162, 21736, 25460, 27170, 28006, 29480, 33098, 34840, 38324, 47905, 50920, 54340, 56012, 66196, 70015, 76648, 82745, 95810, 108680, 112024, 132392, 140030, 165490, 182039, 191620, 280060, 330980, 364078, 383240, 560120, 661960, 728156, 910195, 1456312, 1820390, 3640780, 7281560]

約数ペア:

[(1, 7281560), (2, 3640780), (4, 1820390), (5, 1456312), (8, 910195), (10, 728156), (11, 661960), (13, 560120), (19, 383240), (20, 364078), (22, 330980), (26, 280060), (38, 191620), (40, 182039), (44, 165490), (52, 140030), (55, 132392), (65, 112024), (67, 108680), (76, 95810), (88, 82745), (95, 76648), (104, 70015), (110, 66196), (130, 56012), (134, 54340), (143, 50920), (152, 47905), (190, 38324), (209, 34840), (220, 33098), (247, 29480), (260, 28006), (268, 27170), (286, 25460), (335, 21736), (380, 19162), (418, 17420), (440, 16549), (494, 14740), (520, 14003), (536, 13585), (572, 12730), (670, 10868), (715, 10184), (737, 9880), (760, 9581), (836, 8710), (871, 8360), (988, 7370), (1045, 6968), (1144, 6365), (1235, 5896), (1273, 5720), (1340, 5434), (1430, 5092), (1474, 4940), (1672, 4355), (1742, 4180), (1976, 3685), (2090, 3484), (2470, 2948), (2546, 2860), (2680, 2717)]