303409980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{23741}}^1$

素因数の和:23827

約数の個数: 72

約数和(自身を含む): 933345504

約数和(自身を除く): 629935524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 12780, 23741, 47482, 71223, 94964, 118705, 142446, 213669, 237410, 284892, 356115, 427338, 474820, 712230, 854676, 1068345, 1424460, 1685611, 2136690, 3371222, 4273380, 5056833, 6742444, 8428055, 10113666, 15170499, 16856110, 20227332, 25284165, 30340998, 33712220, 50568330, 60681996, 75852495, 101136660, 151704990, 303409980]

約数ペア:

[(1, 303409980), (2, 151704990), (3, 101136660), (4, 75852495), (5, 60681996), (6, 50568330), (9, 33712220), (10, 30340998), (12, 25284165), (15, 20227332), (18, 16856110), (20, 15170499), (30, 10113666), (36, 8428055), (45, 6742444), (60, 5056833), (71, 4273380), (90, 3371222), (142, 2136690), (180, 1685611), (213, 1424460), (284, 1068345), (355, 854676), (426, 712230), (639, 474820), (710, 427338), (852, 356115), (1065, 284892), (1278, 237410), (1420, 213669), (2130, 142446), (2556, 118705), (3195, 94964), (4260, 71223), (6390, 47482), (12780, 23741)]