71526920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1559}}^1$

素因数の和:1638

約数の個数: 64

約数和(自身を含む): 170726400

約数和(自身を除く): 99199480

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 37, 40, 62, 74, 124, 148, 155, 185, 248, 296, 310, 370, 620, 740, 1147, 1240, 1480, 1559, 2294, 3118, 4588, 5735, 6236, 7795, 9176, 11470, 12472, 15590, 22940, 31180, 45880, 48329, 57683, 62360, 96658, 115366, 193316, 230732, 241645, 288415, 386632, 461464, 483290, 576830, 966580, 1153660, 1788173, 1933160, 2307320, 3576346, 7152692, 8940865, 14305384, 17881730, 35763460, 71526920]

約数ペア:

[(1, 71526920), (2, 35763460), (4, 17881730), (5, 14305384), (8, 8940865), (10, 7152692), (20, 3576346), (31, 2307320), (37, 1933160), (40, 1788173), (62, 1153660), (74, 966580), (124, 576830), (148, 483290), (155, 461464), (185, 386632), (248, 288415), (296, 241645), (310, 230732), (370, 193316), (620, 115366), (740, 96658), (1147, 62360), (1240, 57683), (1480, 48329), (1559, 45880), (2294, 31180), (3118, 22940), (4588, 15590), (5735, 12472), (6236, 11470), (7795, 9176)]