231007020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1\times {\mathrm{257}}^1$

素因数の和:551

約数の個数: 96

約数和(自身を含む): 661602816

約数和(自身を除く): 430595796

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 211, 213, 257, 284, 355, 422, 426, 514, 633, 710, 771, 844, 852, 1028, 1055, 1065, 1266, 1285, 1420, 1542, 2110, 2130, 2532, 2570, 3084, 3165, 3855, 4220, 4260, 5140, 6330, 7710, 12660, 14981, 15420, 18247, 29962, 36494, 44943, 54227, 54741, 59924, 72988, 74905, 89886, 91235, 108454, 109482, 149810, 162681, 179772, 182470, 216908, 218964, 224715, 271135, 273705, 299620, 325362, 364940, 449430, 542270, 547410, 650724, 813405, 898860, 1084540, 1094820, 1626810, 3253620, 3850117, 7700234, 11550351, 15400468, 19250585, 23100702, 38501170, 46201404, 57751755, 77002340, 115503510, 231007020]

約数ペア:

[(1, 231007020), (2, 115503510), (3, 77002340), (4, 57751755), (5, 46201404), (6, 38501170), (10, 23100702), (12, 19250585), (15, 15400468), (20, 11550351), (30, 7700234), (60, 3850117), (71, 3253620), (142, 1626810), (211, 1094820), (213, 1084540), (257, 898860), (284, 813405), (355, 650724), (422, 547410), (426, 542270), (514, 449430), (633, 364940), (710, 325362), (771, 299620), (844, 273705), (852, 271135), (1028, 224715), (1055, 218964), (1065, 216908), (1266, 182470), (1285, 179772), (1420, 162681), (1542, 149810), (2110, 109482), (2130, 108454), (2532, 91235), (2570, 89886), (3084, 74905), (3165, 72988), (3855, 59924), (4220, 54741), (4260, 54227), (5140, 44943), (6330, 36494), (7710, 29962), (12660, 18247), (14981, 15420)]