30936760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{409}}^1$

素因数の和:512

約数の個数: 64

約数和(自身を含む): 73209600

約数和(自身を除く): 42272840

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 61, 62, 122, 124, 155, 244, 248, 305, 310, 409, 488, 610, 620, 818, 1220, 1240, 1636, 1891, 2045, 2440, 3272, 3782, 4090, 7564, 8180, 9455, 12679, 15128, 16360, 18910, 24949, 25358, 37820, 49898, 50716, 63395, 75640, 99796, 101432, 124745, 126790, 199592, 249490, 253580, 498980, 507160, 773419, 997960, 1546838, 3093676, 3867095, 6187352, 7734190, 15468380, 30936760]

約数ペア:

[(1, 30936760), (2, 15468380), (4, 7734190), (5, 6187352), (8, 3867095), (10, 3093676), (20, 1546838), (31, 997960), (40, 773419), (61, 507160), (62, 498980), (122, 253580), (124, 249490), (155, 199592), (244, 126790), (248, 124745), (305, 101432), (310, 99796), (409, 75640), (488, 63395), (610, 50716), (620, 49898), (818, 37820), (1220, 25358), (1240, 24949), (1636, 18910), (1891, 16360), (2045, 15128), (2440, 12679), (3272, 9455), (3782, 8180), (4090, 7564)]