66515640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:333

約数の個数: 128

約数和(自身を含む): 208811520

約数和(自身を除く): 142295880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 71, 74, 111, 120, 142, 148, 185, 211, 213, 222, 284, 296, 355, 370, 422, 426, 444, 555, 568, 633, 710, 740, 844, 852, 888, 1055, 1065, 1110, 1266, 1420, 1480, 1688, 1704, 2110, 2130, 2220, 2532, 2627, 2840, 3165, 4220, 4260, 4440, 5064, 5254, 6330, 7807, 7881, 8440, 8520, 10508, 12660, 13135, 14981, 15614, 15762, 21016, 23421, 25320, 26270, 29962, 31228, 31524, 39035, 39405, 44943, 46842, 52540, 59924, 62456, 63048, 74905, 78070, 78810, 89886, 93684, 105080, 117105, 119848, 149810, 156140, 157620, 179772, 187368, 224715, 234210, 299620, 312280, 315240, 359544, 449430, 468420, 554297, 599240, 898860, 936840, 1108594, 1662891, 1797720, 2217188, 2771485, 3325782, 4434376, 5542970, 6651564, 8314455, 11085940, 13303128, 16628910, 22171880, 33257820, 66515640]

約数ペア:

[(1, 66515640), (2, 33257820), (3, 22171880), (4, 16628910), (5, 13303128), (6, 11085940), (8, 8314455), (10, 6651564), (12, 5542970), (15, 4434376), (20, 3325782), (24, 2771485), (30, 2217188), (37, 1797720), (40, 1662891), (60, 1108594), (71, 936840), (74, 898860), (111, 599240), (120, 554297), (142, 468420), (148, 449430), (185, 359544), (211, 315240), (213, 312280), (222, 299620), (284, 234210), (296, 224715), (355, 187368), (370, 179772), (422, 157620), (426, 156140), (444, 149810), (555, 119848), (568, 117105), (633, 105080), (710, 93684), (740, 89886), (844, 78810), (852, 78070), (888, 74905), (1055, 63048), (1065, 62456), (1110, 59924), (1266, 52540), (1420, 46842), (1480, 44943), (1688, 39405), (1704, 39035), (2110, 31524), (2130, 31228), (2220, 29962), (2532, 26270), (2627, 25320), (2840, 23421), (3165, 21016), (4220, 15762), (4260, 15614), (4440, 14981), (5064, 13135), (5254, 12660), (6330, 10508), (7807, 8520), (7881, 8440)]