31255680

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:318

約数の個数: 128

約数和(自身を含む): 101445120

約数和(自身を除く): 70189440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 73, 80, 96, 120, 128, 146, 160, 192, 219, 223, 240, 292, 320, 365, 384, 438, 446, 480, 584, 640, 669, 730, 876, 892, 960, 1095, 1115, 1168, 1338, 1460, 1752, 1784, 1920, 2190, 2230, 2336, 2676, 2920, 3345, 3504, 3568, 4380, 4460, 4672, 5352, 5840, 6690, 7008, 7136, 8760, 8920, 9344, 10704, 11680, 13380, 14016, 14272, 16279, 17520, 17840, 21408, 23360, 26760, 28032, 28544, 32558, 35040, 35680, 42816, 46720, 48837, 53520, 65116, 70080, 71360, 81395, 85632, 97674, 107040, 130232, 140160, 142720, 162790, 195348, 214080, 244185, 260464, 325580, 390696, 428160, 488370, 520928, 651160, 781392, 976740, 1041856, 1302320, 1562784, 1953480, 2083712, 2604640, 3125568, 3906960, 5209280, 6251136, 7813920, 10418560, 15627840, 31255680]

約数ペア:

[(1, 31255680), (2, 15627840), (3, 10418560), (4, 7813920), (5, 6251136), (6, 5209280), (8, 3906960), (10, 3125568), (12, 2604640), (15, 2083712), (16, 1953480), (20, 1562784), (24, 1302320), (30, 1041856), (32, 976740), (40, 781392), (48, 651160), (60, 520928), (64, 488370), (73, 428160), (80, 390696), (96, 325580), (120, 260464), (128, 244185), (146, 214080), (160, 195348), (192, 162790), (219, 142720), (223, 140160), (240, 130232), (292, 107040), (320, 97674), (365, 85632), (384, 81395), (438, 71360), (446, 70080), (480, 65116), (584, 53520), (640, 48837), (669, 46720), (730, 42816), (876, 35680), (892, 35040), (960, 32558), (1095, 28544), (1115, 28032), (1168, 26760), (1338, 23360), (1460, 21408), (1752, 17840), (1784, 17520), (1920, 16279), (2190, 14272), (2230, 14016), (2336, 13380), (2676, 11680), (2920, 10704), (3345, 9344), (3504, 8920), (3568, 8760), (4380, 7136), (4460, 7008), (4672, 6690), (5352, 5840)]