8457840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{691}}^1$

素因数の和:727

約数の個数: 120

約数和(自身を含む): 30118608

約数和(自身を除く): 21660768

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 102, 120, 136, 144, 153, 170, 180, 204, 240, 255, 272, 306, 340, 360, 408, 510, 612, 680, 691, 720, 765, 816, 1020, 1224, 1360, 1382, 1530, 2040, 2073, 2448, 2764, 3060, 3455, 4080, 4146, 5528, 6120, 6219, 6910, 8292, 10365, 11056, 11747, 12240, 12438, 13820, 16584, 20730, 23494, 24876, 27640, 31095, 33168, 35241, 41460, 46988, 49752, 55280, 58735, 62190, 70482, 82920, 93976, 99504, 105723, 117470, 124380, 140964, 165840, 176205, 187952, 211446, 234940, 248760, 281928, 352410, 422892, 469880, 497520, 528615, 563856, 704820, 845784, 939760, 1057230, 1409640, 1691568, 2114460, 2819280, 4228920, 8457840]

約数ペア:

[(1, 8457840), (2, 4228920), (3, 2819280), (4, 2114460), (5, 1691568), (6, 1409640), (8, 1057230), (9, 939760), (10, 845784), (12, 704820), (15, 563856), (16, 528615), (17, 497520), (18, 469880), (20, 422892), (24, 352410), (30, 281928), (34, 248760), (36, 234940), (40, 211446), (45, 187952), (48, 176205), (51, 165840), (60, 140964), (68, 124380), (72, 117470), (80, 105723), (85, 99504), (90, 93976), (102, 82920), (120, 70482), (136, 62190), (144, 58735), (153, 55280), (170, 49752), (180, 46988), (204, 41460), (240, 35241), (255, 33168), (272, 31095), (306, 27640), (340, 24876), (360, 23494), (408, 20730), (510, 16584), (612, 13820), (680, 12438), (691, 12240), (720, 11747), (765, 11056), (816, 10365), (1020, 8292), (1224, 6910), (1360, 6219), (1382, 6120), (1530, 5528), (2040, 4146), (2073, 4080), (2448, 3455), (2764, 3060)]