15697653640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{122753}}^1$

素因数の和:122926

約数の個数: 64

約数和(自身を含む): 37120809600

約数和(自身を除く): 21423155960

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 139, 184, 230, 278, 460, 556, 695, 920, 1112, 1390, 2780, 3197, 5560, 6394, 12788, 15985, 25576, 31970, 63940, 122753, 127880, 245506, 491012, 613765, 982024, 1227530, 2455060, 2823319, 4910120, 5646638, 11293276, 14116595, 17062667, 22586552, 28233190, 34125334, 56466380, 68250668, 85313335, 112932760, 136501336, 170626670, 341253340, 392441341, 682506680, 784882682, 1569765364, 1962206705, 3139530728, 3924413410, 7848826820, 15697653640]

約数ペア:

[(1, 15697653640), (2, 7848826820), (4, 3924413410), (5, 3139530728), (8, 1962206705), (10, 1569765364), (20, 784882682), (23, 682506680), (40, 392441341), (46, 341253340), (92, 170626670), (115, 136501336), (139, 112932760), (184, 85313335), (230, 68250668), (278, 56466380), (460, 34125334), (556, 28233190), (695, 22586552), (920, 17062667), (1112, 14116595), (1390, 11293276), (2780, 5646638), (3197, 4910120), (5560, 2823319), (6394, 2455060), (12788, 1227530), (15985, 982024), (25576, 613765), (31970, 491012), (63940, 245506), (122753, 127880)]