68521780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:209

約数の個数: 96

約数和(自身を含む): 159344640

約数和(自身を除く): 90822860

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 37, 58, 62, 74, 103, 116, 124, 145, 148, 155, 185, 206, 290, 310, 370, 412, 515, 580, 620, 740, 899, 1030, 1073, 1147, 1798, 2060, 2146, 2294, 2987, 3193, 3596, 3811, 4292, 4495, 4588, 5365, 5735, 5974, 6386, 7622, 8990, 10730, 11470, 11948, 12772, 14935, 15244, 15965, 17980, 19055, 21460, 22940, 29870, 31930, 33263, 38110, 59740, 63860, 66526, 76220, 92597, 110519, 118141, 133052, 166315, 185194, 221038, 236282, 332630, 370388, 442076, 462985, 472564, 552595, 590705, 665260, 925970, 1105190, 1181410, 1851940, 2210380, 2362820, 3426089, 6852178, 13704356, 17130445, 34260890, 68521780]

約数ペア:

[(1, 68521780), (2, 34260890), (4, 17130445), (5, 13704356), (10, 6852178), (20, 3426089), (29, 2362820), (31, 2210380), (37, 1851940), (58, 1181410), (62, 1105190), (74, 925970), (103, 665260), (116, 590705), (124, 552595), (145, 472564), (148, 462985), (155, 442076), (185, 370388), (206, 332630), (290, 236282), (310, 221038), (370, 185194), (412, 166315), (515, 133052), (580, 118141), (620, 110519), (740, 92597), (899, 76220), (1030, 66526), (1073, 63860), (1147, 59740), (1798, 38110), (2060, 33263), (2146, 31930), (2294, 29870), (2987, 22940), (3193, 21460), (3596, 19055), (3811, 17980), (4292, 15965), (4495, 15244), (4588, 14935), (5365, 12772), (5735, 11948), (5974, 11470), (6386, 10730), (7622, 8990)]