1985880

素因数分解:

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

素因数の和:113

約数の個数: 128

約数和(自身を含む): 6854400

約数和(自身を除く): 4868520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 52, 57, 60, 65, 67, 76, 78, 95, 104, 114, 120, 130, 134, 152, 156, 190, 195, 201, 228, 247, 260, 268, 285, 312, 335, 380, 390, 402, 456, 494, 520, 536, 570, 670, 741, 760, 780, 804, 871, 988, 1005, 1140, 1235, 1273, 1340, 1482, 1560, 1608, 1742, 1976, 2010, 2280, 2470, 2546, 2613, 2680, 2964, 3484, 3705, 3819, 4020, 4355, 4940, 5092, 5226, 5928, 6365, 6968, 7410, 7638, 8040, 8710, 9880, 10184, 10452, 12730, 13065, 14820, 15276, 16549, 17420, 19095, 20904, 25460, 26130, 29640, 30552, 33098, 34840, 38190, 49647, 50920, 52260, 66196, 76380, 82745, 99294, 104520, 132392, 152760, 165490, 198588, 248235, 330980, 397176, 496470, 661960, 992940, 1985880]

約数ペア:

[(1, 1985880), (2, 992940), (3, 661960), (4, 496470), (5, 397176), (6, 330980), (8, 248235), (10, 198588), (12, 165490), (13, 152760), (15, 132392), (19, 104520), (20, 99294), (24, 82745), (26, 76380), (30, 66196), (38, 52260), (39, 50920), (40, 49647), (52, 38190), (57, 34840), (60, 33098), (65, 30552), (67, 29640), (76, 26130), (78, 25460), (95, 20904), (104, 19095), (114, 17420), (120, 16549), (130, 15276), (134, 14820), (152, 13065), (156, 12730), (190, 10452), (195, 10184), (201, 9880), (228, 8710), (247, 8040), (260, 7638), (268, 7410), (285, 6968), (312, 6365), (335, 5928), (380, 5226), (390, 5092), (402, 4940), (456, 4355), (494, 4020), (520, 3819), (536, 3705), (570, 3484), (670, 2964), (741, 2680), (760, 2613), (780, 2546), (804, 2470), (871, 2280), (988, 2010), (1005, 1976), (1140, 1742), (1235, 1608), (1273, 1560), (1340, 1482)]