251286360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2039}}^1$

素因数の和:2145

約数の個数: 128

約数和(自身を含む): 822528000

約数和(自身を除く): 571241640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 79, 104, 120, 130, 156, 158, 195, 237, 260, 312, 316, 390, 395, 474, 520, 632, 780, 790, 948, 1027, 1185, 1560, 1580, 1896, 2039, 2054, 2370, 3081, 3160, 4078, 4108, 4740, 5135, 6117, 6162, 8156, 8216, 9480, 10195, 10270, 12234, 12324, 15405, 16312, 20390, 20540, 24468, 24648, 26507, 30585, 30810, 40780, 41080, 48936, 53014, 61170, 61620, 79521, 81560, 106028, 122340, 123240, 132535, 159042, 161081, 212056, 244680, 265070, 318084, 322162, 397605, 483243, 530140, 636168, 644324, 795210, 805405, 966486, 1060280, 1288648, 1590420, 1610810, 1932972, 2094053, 2416215, 3180840, 3221620, 3865944, 4188106, 4832430, 6282159, 6443240, 8376212, 9664860, 10470265, 12564318, 16752424, 19329720, 20940530, 25128636, 31410795, 41881060, 50257272, 62821590, 83762120, 125643180, 251286360]

約数ペア:

[(1, 251286360), (2, 125643180), (3, 83762120), (4, 62821590), (5, 50257272), (6, 41881060), (8, 31410795), (10, 25128636), (12, 20940530), (13, 19329720), (15, 16752424), (20, 12564318), (24, 10470265), (26, 9664860), (30, 8376212), (39, 6443240), (40, 6282159), (52, 4832430), (60, 4188106), (65, 3865944), (78, 3221620), (79, 3180840), (104, 2416215), (120, 2094053), (130, 1932972), (156, 1610810), (158, 1590420), (195, 1288648), (237, 1060280), (260, 966486), (312, 805405), (316, 795210), (390, 644324), (395, 636168), (474, 530140), (520, 483243), (632, 397605), (780, 322162), (790, 318084), (948, 265070), (1027, 244680), (1185, 212056), (1560, 161081), (1580, 159042), (1896, 132535), (2039, 123240), (2054, 122340), (2370, 106028), (3081, 81560), (3160, 79521), (4078, 61620), (4108, 61170), (4740, 53014), (5135, 48936), (6117, 41080), (6162, 40780), (8156, 30810), (8216, 30585), (9480, 26507), (10195, 24648), (10270, 24468), (12234, 20540), (12324, 20390), (15405, 16312)]