118281920

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1279}}^1$

素因数の和:1330

約数の個数: 84

約数和(自身を含む): 299435520

約数和(自身を除く): 181153600

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, 1279, 1360, 1445, 2312, 2558, 2720, 2890, 4624, 5116, 5440, 5780, 6395, 9248, 10232, 11560, 12790, 18496, 20464, 21743, 23120, 25580, 40928, 43486, 46240, 51160, 81856, 86972, 92480, 102320, 108715, 173944, 204640, 217430, 347888, 369631, 409280, 434860, 695776, 739262, 869720, 1391552, 1478524, 1739440, 1848155, 2957048, 3478880, 3696310, 5914096, 6957760, 7392620, 11828192, 14785240, 23656384, 29570480, 59140960, 118281920]

約数ペア:

[(1, 118281920), (2, 59140960), (4, 29570480), (5, 23656384), (8, 14785240), (10, 11828192), (16, 7392620), (17, 6957760), (20, 5914096), (32, 3696310), (34, 3478880), (40, 2957048), (64, 1848155), (68, 1739440), (80, 1478524), (85, 1391552), (136, 869720), (160, 739262), (170, 695776), (272, 434860), (289, 409280), (320, 369631), (340, 347888), (544, 217430), (578, 204640), (680, 173944), (1088, 108715), (1156, 102320), (1279, 92480), (1360, 86972), (1445, 81856), (2312, 51160), (2558, 46240), (2720, 43486), (2890, 40928), (4624, 25580), (5116, 23120), (5440, 21743), (5780, 20464), (6395, 18496), (9248, 12790), (10232, 11560)]