78896720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1583}}^1$

素因数の和:1692

約数の個数: 80

約数和(自身を含む): 212129280

約数和(自身を除く): 133232560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 89, 112, 140, 178, 280, 356, 445, 560, 623, 712, 890, 1246, 1424, 1583, 1780, 2492, 3115, 3166, 3560, 4984, 6230, 6332, 7120, 7915, 9968, 11081, 12460, 12664, 15830, 22162, 24920, 25328, 31660, 44324, 49840, 55405, 63320, 88648, 110810, 126640, 140887, 177296, 221620, 281774, 443240, 563548, 704435, 886480, 986209, 1127096, 1408870, 1972418, 2254192, 2817740, 3944836, 4931045, 5635480, 7889672, 9862090, 11270960, 15779344, 19724180, 39448360, 78896720]

約数ペア:

[(1, 78896720), (2, 39448360), (4, 19724180), (5, 15779344), (7, 11270960), (8, 9862090), (10, 7889672), (14, 5635480), (16, 4931045), (20, 3944836), (28, 2817740), (35, 2254192), (40, 1972418), (56, 1408870), (70, 1127096), (80, 986209), (89, 886480), (112, 704435), (140, 563548), (178, 443240), (280, 281774), (356, 221620), (445, 177296), (560, 140887), (623, 126640), (712, 110810), (890, 88648), (1246, 63320), (1424, 55405), (1583, 49840), (1780, 44324), (2492, 31660), (3115, 25328), (3166, 24920), (3560, 22162), (4984, 15830), (6230, 12664), (6332, 12460), (7120, 11081), (7915, 9968)]