68027940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5323}}^1$

素因数の和:5409

約数の個数: 72

約数和(自身を含む): 209297088

約数和(自身を除く): 141269148

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, 5323, 6390, 10646, 12780, 15969, 21292, 26615, 31938, 47907, 53230, 63876, 79845, 95814, 106460, 159690, 191628, 239535, 319380, 377933, 479070, 755866, 958140, 1133799, 1511732, 1889665, 2267598, 3401397, 3779330, 4535196, 5668995, 6802794, 7558660, 11337990, 13605588, 17006985, 22675980, 34013970, 68027940]

約数ペア:

[(1, 68027940), (2, 34013970), (3, 22675980), (4, 17006985), (5, 13605588), (6, 11337990), (9, 7558660), (10, 6802794), (12, 5668995), (15, 4535196), (18, 3779330), (20, 3401397), (30, 2267598), (36, 1889665), (45, 1511732), (60, 1133799), (71, 958140), (90, 755866), (142, 479070), (180, 377933), (213, 319380), (284, 239535), (355, 191628), (426, 159690), (639, 106460), (710, 95814), (852, 79845), (1065, 63876), (1278, 53230), (1420, 47907), (2130, 31938), (2556, 26615), (3195, 21292), (4260, 15969), (5323, 12780), (6390, 10646)]