80761680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{503}}^1$

素因数の和:745

約数の個数: 120

約数和(自身を含む): 272982528

約数和(自身を除く): 192220848

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 223, 240, 360, 446, 503, 669, 720, 892, 1006, 1115, 1338, 1509, 1784, 2007, 2012, 2230, 2515, 2676, 3018, 3345, 3568, 4014, 4024, 4460, 4527, 5030, 5352, 6036, 6690, 7545, 8028, 8048, 8920, 9054, 10035, 10060, 10704, 12072, 13380, 15090, 16056, 17840, 18108, 20070, 20120, 22635, 24144, 26760, 30180, 32112, 36216, 40140, 40240, 45270, 53520, 60360, 72432, 80280, 90540, 112169, 120720, 160560, 181080, 224338, 336507, 362160, 448676, 560845, 673014, 897352, 1009521, 1121690, 1346028, 1682535, 1794704, 2019042, 2243380, 2692056, 3365070, 4038084, 4486760, 5047605, 5384112, 6730140, 8076168, 8973520, 10095210, 13460280, 16152336, 20190420, 26920560, 40380840, 80761680]

約数ペア:

[(1, 80761680), (2, 40380840), (3, 26920560), (4, 20190420), (5, 16152336), (6, 13460280), (8, 10095210), (9, 8973520), (10, 8076168), (12, 6730140), (15, 5384112), (16, 5047605), (18, 4486760), (20, 4038084), (24, 3365070), (30, 2692056), (36, 2243380), (40, 2019042), (45, 1794704), (48, 1682535), (60, 1346028), (72, 1121690), (80, 1009521), (90, 897352), (120, 673014), (144, 560845), (180, 448676), (223, 362160), (240, 336507), (360, 224338), (446, 181080), (503, 160560), (669, 120720), (720, 112169), (892, 90540), (1006, 80280), (1115, 72432), (1338, 60360), (1509, 53520), (1784, 45270), (2007, 40240), (2012, 40140), (2230, 36216), (2515, 32112), (2676, 30180), (3018, 26760), (3345, 24144), (3568, 22635), (4014, 20120), (4024, 20070), (4460, 18108), (4527, 17840), (5030, 16056), (5352, 15090), (6036, 13380), (6690, 12072), (7545, 10704), (8028, 10060), (8048, 10035), (8920, 9054)]