68342720

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^2\times {\mathrm{739}}^1$

素因数の和:790

約数の個数: 84

約数和(自身を含む): 173111160

約数和(自身を除く): 104768440

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, 739, 1088, 1156, 1360, 1445, 1478, 2312, 2720, 2890, 2956, 3695, 4624, 5440, 5780, 5912, 7390, 9248, 11560, 11824, 12563, 14780, 18496, 23120, 23648, 25126, 29560, 46240, 47296, 50252, 59120, 62815, 92480, 100504, 118240, 125630, 201008, 213571, 236480, 251260, 402016, 427142, 502520, 804032, 854284, 1005040, 1067855, 1708568, 2010080, 2135710, 3417136, 4020160, 4271420, 6834272, 8542840, 13668544, 17085680, 34171360, 68342720]

約数ペア:

[(1, 68342720), (2, 34171360), (4, 17085680), (5, 13668544), (8, 8542840), (10, 6834272), (16, 4271420), (17, 4020160), (20, 3417136), (32, 2135710), (34, 2010080), (40, 1708568), (64, 1067855), (68, 1005040), (80, 854284), (85, 804032), (136, 502520), (160, 427142), (170, 402016), (272, 251260), (289, 236480), (320, 213571), (340, 201008), (544, 125630), (578, 118240), (680, 100504), (739, 92480), (1088, 62815), (1156, 59120), (1360, 50252), (1445, 47296), (1478, 46240), (2312, 29560), (2720, 25126), (2890, 23648), (2956, 23120), (3695, 18496), (4624, 14780), (5440, 12563), (5780, 11824), (5912, 11560), (7390, 9248)]