64409280

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{397}}^1$

素因数の和:443

約数の個数: 168

約数和(自身を含む): 221998032

約数和(自身を除く): 157588752

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 169, 192, 195, 208, 240, 260, 312, 320, 338, 390, 397, 416, 480, 507, 520, 624, 676, 780, 794, 832, 845, 960, 1014, 1040, 1191, 1248, 1352, 1560, 1588, 1690, 1985, 2028, 2080, 2382, 2496, 2535, 2704, 3120, 3176, 3380, 3970, 4056, 4160, 4764, 5070, 5161, 5408, 5955, 6240, 6352, 6760, 7940, 8112, 9528, 10140, 10322, 10816, 11910, 12480, 12704, 13520, 15483, 15880, 16224, 19056, 20280, 20644, 23820, 25408, 25805, 27040, 30966, 31760, 32448, 38112, 40560, 41288, 47640, 51610, 54080, 61932, 63520, 67093, 76224, 77415, 81120, 82576, 95280, 103220, 123864, 127040, 134186, 154830, 162240, 165152, 190560, 201279, 206440, 247728, 268372, 309660, 330304, 335465, 381120, 402558, 412880, 495456, 536744, 619320, 670930, 805116, 825760, 990912, 1006395, 1073488, 1238640, 1341860, 1610232, 1651520, 2012790, 2146976, 2477280, 2683720, 3220464, 4025580, 4293952, 4954560, 5367440, 6440928, 8051160, 10734880, 12881856, 16102320, 21469760, 32204640, 64409280]

約数ペア:

[(1, 64409280), (2, 32204640), (3, 21469760), (4, 16102320), (5, 12881856), (6, 10734880), (8, 8051160), (10, 6440928), (12, 5367440), (13, 4954560), (15, 4293952), (16, 4025580), (20, 3220464), (24, 2683720), (26, 2477280), (30, 2146976), (32, 2012790), (39, 1651520), (40, 1610232), (48, 1341860), (52, 1238640), (60, 1073488), (64, 1006395), (65, 990912), (78, 825760), (80, 805116), (96, 670930), (104, 619320), (120, 536744), (130, 495456), (156, 412880), (160, 402558), (169, 381120), (192, 335465), (195, 330304), (208, 309660), (240, 268372), (260, 247728), (312, 206440), (320, 201279), (338, 190560), (390, 165152), (397, 162240), (416, 154830), (480, 134186), (507, 127040), (520, 123864), (624, 103220), (676, 95280), (780, 82576), (794, 81120), (832, 77415), (845, 76224), (960, 67093), (1014, 63520), (1040, 61932), (1191, 54080), (1248, 51610), (1352, 47640), (1560, 41288), (1588, 40560), (1690, 38112), (1985, 32448), (2028, 31760), (2080, 30966), (2382, 27040), (2496, 25805), (2535, 25408), (2704, 23820), (3120, 20644), (3176, 20280), (3380, 19056), (3970, 16224), (4056, 15880), (4160, 15483), (4764, 13520), (5070, 12704), (5161, 12480), (5408, 11910), (5955, 10816), (6240, 10322), (6352, 10140), (6760, 9528), (7940, 8112)]