489916480

素因数分解:

$2^6\times 5^1\times {\mathrm{151}}^1\times {\mathrm{10139}}^1$

素因数の和:10307

約数の個数: 56

約数和(自身を含む): 1174455360

約数和(自身を除く): 684538880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 151, 160, 302, 320, 604, 755, 1208, 1510, 2416, 3020, 4832, 6040, 9664, 10139, 12080, 20278, 24160, 40556, 48320, 50695, 81112, 101390, 162224, 202780, 324448, 405560, 648896, 811120, 1530989, 1622240, 3061978, 3244480, 6123956, 7654945, 12247912, 15309890, 24495824, 30619780, 48991648, 61239560, 97983296, 122479120, 244958240, 489916480]

約数ペア:

[(1, 489916480), (2, 244958240), (4, 122479120), (5, 97983296), (8, 61239560), (10, 48991648), (16, 30619780), (20, 24495824), (32, 15309890), (40, 12247912), (64, 7654945), (80, 6123956), (151, 3244480), (160, 3061978), (302, 1622240), (320, 1530989), (604, 811120), (755, 648896), (1208, 405560), (1510, 324448), (2416, 202780), (3020, 162224), (4832, 101390), (6040, 81112), (9664, 50695), (10139, 48320), (12080, 40556), (20278, 24160)]