64001080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1$

素因数の和:269

約数の個数: 128

約数和(自身を含む): 172730880

約数和(自身を除く): 108729800

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 67, 88, 104, 110, 130, 134, 143, 167, 220, 260, 268, 286, 334, 335, 440, 520, 536, 572, 668, 670, 715, 737, 835, 871, 1144, 1336, 1340, 1430, 1474, 1670, 1742, 1837, 2171, 2680, 2860, 2948, 3340, 3484, 3674, 3685, 4342, 4355, 5720, 5896, 6680, 6968, 7348, 7370, 8684, 8710, 9185, 9581, 10855, 11189, 14696, 14740, 17368, 17420, 18370, 19162, 21710, 22378, 23881, 29480, 34840, 36740, 38324, 43420, 44756, 47762, 47905, 55945, 73480, 76648, 86840, 89512, 95524, 95810, 111890, 119405, 123079, 145457, 191048, 191620, 223780, 238810, 246158, 290914, 383240, 447560, 477620, 492316, 581828, 615395, 727285, 955240, 984632, 1163656, 1230790, 1454570, 1600027, 2461580, 2909140, 3200054, 4923160, 5818280, 6400108, 8000135, 12800216, 16000270, 32000540, 64001080]

約数ペア:

[(1, 64001080), (2, 32000540), (4, 16000270), (5, 12800216), (8, 8000135), (10, 6400108), (11, 5818280), (13, 4923160), (20, 3200054), (22, 2909140), (26, 2461580), (40, 1600027), (44, 1454570), (52, 1230790), (55, 1163656), (65, 984632), (67, 955240), (88, 727285), (104, 615395), (110, 581828), (130, 492316), (134, 477620), (143, 447560), (167, 383240), (220, 290914), (260, 246158), (268, 238810), (286, 223780), (334, 191620), (335, 191048), (440, 145457), (520, 123079), (536, 119405), (572, 111890), (668, 95810), (670, 95524), (715, 89512), (737, 86840), (835, 76648), (871, 73480), (1144, 55945), (1336, 47905), (1340, 47762), (1430, 44756), (1474, 43420), (1670, 38324), (1742, 36740), (1837, 34840), (2171, 29480), (2680, 23881), (2860, 22378), (2948, 21710), (3340, 19162), (3484, 18370), (3674, 17420), (3685, 17368), (4342, 14740), (4355, 14696), (5720, 11189), (5896, 10855), (6680, 9581), (6968, 9185), (7348, 8710), (7370, 8684)]