138072640

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1493}}^1$

素因数の和:1544

約数の個数: 84

約数和(自身を含む): 349497396

約数和(自身を除く): 211424756

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 289, 320, 340, 544, 578, 680, 1088, 1156, 1360, 1445, 1493, 2312, 2720, 2890, 2986, 4624, 5440, 5780, 5972, 7465, 9248, 11560, 11944, 14930, 18496, 23120, 23888, 25381, 29860, 46240, 47776, 50762, 59720, 92480, 95552, 101524, 119440, 126905, 203048, 238880, 253810, 406096, 431477, 477760, 507620, 812192, 862954, 1015240, 1624384, 1725908, 2030480, 2157385, 3451816, 4060960, 4314770, 6903632, 8121920, 8629540, 13807264, 17259080, 27614528, 34518160, 69036320, 138072640]

約数ペア:

[(1, 138072640), (2, 69036320), (4, 34518160), (5, 27614528), (8, 17259080), (10, 13807264), (16, 8629540), (17, 8121920), (20, 6903632), (32, 4314770), (34, 4060960), (40, 3451816), (64, 2157385), (68, 2030480), (80, 1725908), (85, 1624384), (136, 1015240), (160, 862954), (170, 812192), (272, 507620), (289, 477760), (320, 431477), (340, 406096), (544, 253810), (578, 238880), (680, 203048), (1088, 126905), (1156, 119440), (1360, 101524), (1445, 95552), (1493, 92480), (2312, 59720), (2720, 50762), (2890, 47776), (2986, 46240), (4624, 29860), (5440, 25381), (5780, 23888), (5972, 23120), (7465, 18496), (9248, 14930), (11560, 11944)]