256906104

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1489}}^1$

素因数の和:1597

約数の個数: 128

約数和(自身を含む): 801024000

約数和(自身を除く): 544117896

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 79, 84, 91, 104, 156, 158, 168, 182, 237, 273, 312, 316, 364, 474, 546, 553, 632, 728, 948, 1027, 1092, 1106, 1489, 1659, 1896, 2054, 2184, 2212, 2978, 3081, 3318, 4108, 4424, 4467, 5956, 6162, 6636, 7189, 8216, 8934, 10423, 11912, 12324, 13272, 14378, 17868, 19357, 20846, 21567, 24648, 28756, 31269, 35736, 38714, 41692, 43134, 57512, 58071, 62538, 77428, 83384, 86268, 116142, 117631, 125076, 135499, 154856, 172536, 232284, 235262, 250152, 270998, 352893, 406497, 464568, 470524, 541996, 705786, 812994, 823417, 941048, 1083992, 1411572, 1529203, 1625988, 1646834, 2470251, 2823144, 3058406, 3251976, 3293668, 4587609, 4940502, 6116812, 6587336, 9175218, 9881004, 10704421, 12233624, 18350436, 19762008, 21408842, 32113263, 36700872, 42817684, 64226526, 85635368, 128453052, 256906104]

約数ペア:

[(1, 256906104), (2, 128453052), (3, 85635368), (4, 64226526), (6, 42817684), (7, 36700872), (8, 32113263), (12, 21408842), (13, 19762008), (14, 18350436), (21, 12233624), (24, 10704421), (26, 9881004), (28, 9175218), (39, 6587336), (42, 6116812), (52, 4940502), (56, 4587609), (78, 3293668), (79, 3251976), (84, 3058406), (91, 2823144), (104, 2470251), (156, 1646834), (158, 1625988), (168, 1529203), (182, 1411572), (237, 1083992), (273, 941048), (312, 823417), (316, 812994), (364, 705786), (474, 541996), (546, 470524), (553, 464568), (632, 406497), (728, 352893), (948, 270998), (1027, 250152), (1092, 235262), (1106, 232284), (1489, 172536), (1659, 154856), (1896, 135499), (2054, 125076), (2184, 117631), (2212, 116142), (2978, 86268), (3081, 83384), (3318, 77428), (4108, 62538), (4424, 58071), (4467, 57512), (5956, 43134), (6162, 41692), (6636, 38714), (7189, 35736), (8216, 31269), (8934, 28756), (10423, 24648), (11912, 21567), (12324, 20846), (13272, 19357), (14378, 17868)]