18143680

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^2\times {\mathrm{59}}^1$

素因数の和:138

約数の個数: 84

約数和(自身を含む): 45399960

約数和(自身を除く): 27256280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 59, 62, 64, 80, 118, 124, 155, 160, 236, 248, 295, 310, 320, 472, 496, 590, 620, 944, 961, 992, 1180, 1240, 1829, 1888, 1922, 1984, 2360, 2480, 3658, 3776, 3844, 4720, 4805, 4960, 7316, 7688, 9145, 9440, 9610, 9920, 14632, 15376, 18290, 18880, 19220, 29264, 30752, 36580, 38440, 56699, 58528, 61504, 73160, 76880, 113398, 117056, 146320, 153760, 226796, 283495, 292640, 307520, 453592, 566990, 585280, 907184, 1133980, 1814368, 2267960, 3628736, 4535920, 9071840, 18143680]

約数ペア:

[(1, 18143680), (2, 9071840), (4, 4535920), (5, 3628736), (8, 2267960), (10, 1814368), (16, 1133980), (20, 907184), (31, 585280), (32, 566990), (40, 453592), (59, 307520), (62, 292640), (64, 283495), (80, 226796), (118, 153760), (124, 146320), (155, 117056), (160, 113398), (236, 76880), (248, 73160), (295, 61504), (310, 58528), (320, 56699), (472, 38440), (496, 36580), (590, 30752), (620, 29264), (944, 19220), (961, 18880), (992, 18290), (1180, 15376), (1240, 14632), (1829, 9920), (1888, 9610), (1922, 9440), (1984, 9145), (2360, 7688), (2480, 7316), (3658, 4960), (3776, 4805), (3844, 4720)]