645506940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{28537}}^1$

素因数の和:28591

約数の個数: 96

約数和(自身を含む): 2013641280

約数和(自身を除く): 1368134340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 29, 30, 39, 52, 58, 60, 65, 78, 87, 116, 130, 145, 156, 174, 195, 260, 290, 348, 377, 390, 435, 580, 754, 780, 870, 1131, 1508, 1740, 1885, 2262, 3770, 4524, 5655, 7540, 11310, 22620, 28537, 57074, 85611, 114148, 142685, 171222, 285370, 342444, 370981, 428055, 570740, 741962, 827573, 856110, 1112943, 1483924, 1655146, 1712220, 1854905, 2225886, 2482719, 3310292, 3709810, 4137865, 4451772, 4965438, 5564715, 7419620, 8275730, 9930876, 10758449, 11129430, 12413595, 16551460, 21516898, 22258860, 24827190, 32275347, 43033796, 49654380, 53792245, 64550694, 107584490, 129101388, 161376735, 215168980, 322753470, 645506940]

約数ペア:

[(1, 645506940), (2, 322753470), (3, 215168980), (4, 161376735), (5, 129101388), (6, 107584490), (10, 64550694), (12, 53792245), (13, 49654380), (15, 43033796), (20, 32275347), (26, 24827190), (29, 22258860), (30, 21516898), (39, 16551460), (52, 12413595), (58, 11129430), (60, 10758449), (65, 9930876), (78, 8275730), (87, 7419620), (116, 5564715), (130, 4965438), (145, 4451772), (156, 4137865), (174, 3709810), (195, 3310292), (260, 2482719), (290, 2225886), (348, 1854905), (377, 1712220), (390, 1655146), (435, 1483924), (580, 1112943), (754, 856110), (780, 827573), (870, 741962), (1131, 570740), (1508, 428055), (1740, 370981), (1885, 342444), (2262, 285370), (3770, 171222), (4524, 142685), (5655, 114148), (7540, 85611), (11310, 57074), (22620, 28537)]