105217740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8233}}^1$

素因数の和:8319

約数の個数: 72

約数和(自身を含む): 323695008

約数和(自身を除く): 218477268

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, 8233, 12780, 16466, 24699, 32932, 41165, 49398, 74097, 82330, 98796, 123495, 148194, 164660, 246990, 296388, 370485, 493980, 584543, 740970, 1169086, 1481940, 1753629, 2338172, 2922715, 3507258, 5260887, 5845430, 7014516, 8768145, 10521774, 11690860, 17536290, 21043548, 26304435, 35072580, 52608870, 105217740]

約数ペア:

[(1, 105217740), (2, 52608870), (3, 35072580), (4, 26304435), (5, 21043548), (6, 17536290), (9, 11690860), (10, 10521774), (12, 8768145), (15, 7014516), (18, 5845430), (20, 5260887), (30, 3507258), (36, 2922715), (45, 2338172), (60, 1753629), (71, 1481940), (90, 1169086), (142, 740970), (180, 584543), (213, 493980), (284, 370485), (355, 296388), (426, 246990), (639, 164660), (710, 148194), (852, 123495), (1065, 98796), (1278, 82330), (1420, 74097), (2130, 49398), (2556, 41165), (3195, 32932), (4260, 24699), (6390, 16466), (8233, 12780)]