42887320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1721}}^1$

素因数の和:1828

約数の個数: 64

約数和(自身を含む): 111585600

約数和(自身を除く): 68698280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 178, 280, 356, 445, 623, 712, 890, 1246, 1721, 1780, 2492, 3115, 3442, 3560, 4984, 6230, 6884, 8605, 12047, 12460, 13768, 17210, 24094, 24920, 34420, 48188, 60235, 68840, 96376, 120470, 153169, 240940, 306338, 481880, 612676, 765845, 1072183, 1225352, 1531690, 2144366, 3063380, 4288732, 5360915, 6126760, 8577464, 10721830, 21443660, 42887320]

約数ペア:

[(1, 42887320), (2, 21443660), (4, 10721830), (5, 8577464), (7, 6126760), (8, 5360915), (10, 4288732), (14, 3063380), (20, 2144366), (28, 1531690), (35, 1225352), (40, 1072183), (56, 765845), (70, 612676), (89, 481880), (140, 306338), (178, 240940), (280, 153169), (356, 120470), (445, 96376), (623, 68840), (712, 60235), (890, 48188), (1246, 34420), (1721, 24920), (1780, 24094), (2492, 17210), (3115, 13768), (3442, 12460), (3560, 12047), (4984, 8605), (6230, 6884)]