397899840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31883}}^1$

素因数の和:31916

約数の個数: 112

約数和(自身を含む): 1360554048

約数和(自身を除く): 962654208

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, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 3120, 4160, 6240, 12480, 31883, 63766, 95649, 127532, 159415, 191298, 255064, 318830, 382596, 414479, 478245, 510128, 637660, 765192, 828958, 956490, 1020256, 1243437, 1275320, 1530384, 1657916, 1912980, 2040512, 2072395, 2486874, 2550640, 3060768, 3315832, 3825960, 4144790, 4973748, 5101280, 6121536, 6217185, 6631664, 7651920, 8289580, 9947496, 10202560, 12434370, 13263328, 15303840, 16579160, 19894992, 24868740, 26526656, 30607680, 33158320, 39789984, 49737480, 66316640, 79579968, 99474960, 132633280, 198949920, 397899840]

約数ペア:

[(1, 397899840), (2, 198949920), (3, 132633280), (4, 99474960), (5, 79579968), (6, 66316640), (8, 49737480), (10, 39789984), (12, 33158320), (13, 30607680), (15, 26526656), (16, 24868740), (20, 19894992), (24, 16579160), (26, 15303840), (30, 13263328), (32, 12434370), (39, 10202560), (40, 9947496), (48, 8289580), (52, 7651920), (60, 6631664), (64, 6217185), (65, 6121536), (78, 5101280), (80, 4973748), (96, 4144790), (104, 3825960), (120, 3315832), (130, 3060768), (156, 2550640), (160, 2486874), (192, 2072395), (195, 2040512), (208, 1912980), (240, 1657916), (260, 1530384), (312, 1275320), (320, 1243437), (390, 1020256), (416, 956490), (480, 828958), (520, 765192), (624, 637660), (780, 510128), (832, 478245), (960, 414479), (1040, 382596), (1248, 318830), (1560, 255064), (2080, 191298), (2496, 159415), (3120, 127532), (4160, 95649), (6240, 63766), (12480, 31883)]