81441960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21893}}^1$

素因数の和:21938

約数の個数: 64

約数和(自身を含む): 252218880

約数和(自身を除く): 170776920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 21893, 43786, 65679, 87572, 109465, 131358, 175144, 218930, 262716, 328395, 437860, 525432, 656790, 678683, 875720, 1313580, 1357366, 2036049, 2627160, 2714732, 3393415, 4072098, 5429464, 6786830, 8144196, 10180245, 13573660, 16288392, 20360490, 27147320, 40720980, 81441960]

約数ペア:

[(1, 81441960), (2, 40720980), (3, 27147320), (4, 20360490), (5, 16288392), (6, 13573660), (8, 10180245), (10, 8144196), (12, 6786830), (15, 5429464), (20, 4072098), (24, 3393415), (30, 2714732), (31, 2627160), (40, 2036049), (60, 1357366), (62, 1313580), (93, 875720), (120, 678683), (124, 656790), (155, 525432), (186, 437860), (248, 328395), (310, 262716), (372, 218930), (465, 175144), (620, 131358), (744, 109465), (930, 87572), (1240, 65679), (1860, 43786), (3720, 21893)]