1780147180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{503}}^1\times {\mathrm{1487}}^1$

素因数の和:2023

約数の個数: 96

約数和(自身を含む): 4535709696

約数和(自身を除く): 2755562516

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 503, 595, 1006, 1190, 1487, 2012, 2380, 2515, 2974, 3521, 5030, 5948, 7042, 7435, 8551, 10060, 10409, 14084, 14870, 17102, 17605, 20818, 25279, 29740, 34204, 35210, 41636, 42755, 50558, 52045, 59857, 70420, 85510, 101116, 104090, 119714, 126395, 171020, 176953, 208180, 239428, 252790, 299285, 353906, 505580, 598570, 707812, 747961, 884765, 1197140, 1495922, 1769530, 2991844, 3539060, 3739805, 5235727, 7479610, 10471454, 12715337, 14959220, 20942908, 25430674, 26178635, 50861348, 52357270, 63576685, 89007359, 104714540, 127153370, 178014718, 254306740, 356029436, 445036795, 890073590, 1780147180]

約数ペア:

[(1, 1780147180), (2, 890073590), (4, 445036795), (5, 356029436), (7, 254306740), (10, 178014718), (14, 127153370), (17, 104714540), (20, 89007359), (28, 63576685), (34, 52357270), (35, 50861348), (68, 26178635), (70, 25430674), (85, 20942908), (119, 14959220), (140, 12715337), (170, 10471454), (238, 7479610), (340, 5235727), (476, 3739805), (503, 3539060), (595, 2991844), (1006, 1769530), (1190, 1495922), (1487, 1197140), (2012, 884765), (2380, 747961), (2515, 707812), (2974, 598570), (3521, 505580), (5030, 353906), (5948, 299285), (7042, 252790), (7435, 239428), (8551, 208180), (10060, 176953), (10409, 171020), (14084, 126395), (14870, 119714), (17102, 104090), (17605, 101116), (20818, 85510), (25279, 70420), (29740, 59857), (34204, 52045), (35210, 50558), (41636, 42755)]