331521920

素因数分解:

$2^7\times 5^1\times {\mathrm{79}}^2\times {\mathrm{83}}^1$

素因数の和:260

約数の個数: 96

約数和(自身を含む): 812374920

約数和(自身を除く): 480853000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 83, 128, 158, 160, 166, 316, 320, 332, 395, 415, 632, 640, 664, 790, 830, 1264, 1328, 1580, 1660, 2528, 2656, 3160, 3320, 5056, 5312, 6241, 6320, 6557, 6640, 10112, 10624, 12482, 12640, 13114, 13280, 24964, 25280, 26228, 26560, 31205, 32785, 49928, 50560, 52456, 53120, 62410, 65570, 99856, 104912, 124820, 131140, 199712, 209824, 249640, 262280, 399424, 419648, 499280, 518003, 524560, 798848, 839296, 998560, 1036006, 1049120, 1997120, 2072012, 2098240, 2590015, 3994240, 4144024, 4196480, 5180030, 8288048, 10360060, 16576096, 20720120, 33152192, 41440240, 66304384, 82880480, 165760960, 331521920]

約数ペア:

[(1, 331521920), (2, 165760960), (4, 82880480), (5, 66304384), (8, 41440240), (10, 33152192), (16, 20720120), (20, 16576096), (32, 10360060), (40, 8288048), (64, 5180030), (79, 4196480), (80, 4144024), (83, 3994240), (128, 2590015), (158, 2098240), (160, 2072012), (166, 1997120), (316, 1049120), (320, 1036006), (332, 998560), (395, 839296), (415, 798848), (632, 524560), (640, 518003), (664, 499280), (790, 419648), (830, 399424), (1264, 262280), (1328, 249640), (1580, 209824), (1660, 199712), (2528, 131140), (2656, 124820), (3160, 104912), (3320, 99856), (5056, 65570), (5312, 62410), (6241, 53120), (6320, 52456), (6557, 50560), (6640, 49928), (10112, 32785), (10624, 31205), (12482, 26560), (12640, 26228), (13114, 25280), (13280, 24964)]