8447580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{661}}^1$

素因数の和:747

約数の個数: 72

約数和(自身を含む): 26024544

約数和(自身を除く): 17576964

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, 661, 710, 852, 1065, 1278, 1322, 1420, 1983, 2130, 2556, 2644, 3195, 3305, 3966, 4260, 5949, 6390, 6610, 7932, 9915, 11898, 12780, 13220, 19830, 23796, 29745, 39660, 46931, 59490, 93862, 118980, 140793, 187724, 234655, 281586, 422379, 469310, 563172, 703965, 844758, 938620, 1407930, 1689516, 2111895, 2815860, 4223790, 8447580]

約数ペア:

[(1, 8447580), (2, 4223790), (3, 2815860), (4, 2111895), (5, 1689516), (6, 1407930), (9, 938620), (10, 844758), (12, 703965), (15, 563172), (18, 469310), (20, 422379), (30, 281586), (36, 234655), (45, 187724), (60, 140793), (71, 118980), (90, 93862), (142, 59490), (180, 46931), (213, 39660), (284, 29745), (355, 23796), (426, 19830), (639, 13220), (661, 12780), (710, 11898), (852, 9915), (1065, 7932), (1278, 6610), (1322, 6390), (1420, 5949), (1983, 4260), (2130, 3966), (2556, 3305), (2644, 3195)]