68110140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{631}}^1$

素因数の和:907

約数の個数: 96

約数和(自身を含む): 219147264

約数和(自身を除く): 151037124

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 257, 420, 514, 631, 771, 1028, 1262, 1285, 1542, 1799, 1893, 2524, 2570, 3084, 3155, 3598, 3786, 3855, 4417, 5140, 5397, 6310, 7196, 7572, 7710, 8834, 8995, 9465, 10794, 12620, 13251, 15420, 17668, 17990, 18930, 21588, 22085, 26502, 26985, 35980, 37860, 44170, 53004, 53970, 66255, 88340, 107940, 132510, 162167, 265020, 324334, 486501, 648668, 810835, 973002, 1135169, 1621670, 1946004, 2270338, 2432505, 3243340, 3405507, 4540676, 4865010, 5675845, 6811014, 9730020, 11351690, 13622028, 17027535, 22703380, 34055070, 68110140]

約数ペア:

[(1, 68110140), (2, 34055070), (3, 22703380), (4, 17027535), (5, 13622028), (6, 11351690), (7, 9730020), (10, 6811014), (12, 5675845), (14, 4865010), (15, 4540676), (20, 3405507), (21, 3243340), (28, 2432505), (30, 2270338), (35, 1946004), (42, 1621670), (60, 1135169), (70, 973002), (84, 810835), (105, 648668), (140, 486501), (210, 324334), (257, 265020), (420, 162167), (514, 132510), (631, 107940), (771, 88340), (1028, 66255), (1262, 53970), (1285, 53004), (1542, 44170), (1799, 37860), (1893, 35980), (2524, 26985), (2570, 26502), (3084, 22085), (3155, 21588), (3598, 18930), (3786, 17990), (3855, 17668), (4417, 15420), (5140, 13251), (5397, 12620), (6310, 10794), (7196, 9465), (7572, 8995), (7710, 8834)]