15468380

素因数分解:

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

素因数の和:510

約数の個数: 48

約数和(自身を含む): 34164480

約数和(自身を除く): 18696100

約数列:

[1, 2, 4, 5, 10, 20, 31, 61, 62, 122, 124, 155, 244, 305, 310, 409, 610, 620, 818, 1220, 1636, 1891, 2045, 3782, 4090, 7564, 8180, 9455, 12679, 18910, 24949, 25358, 37820, 49898, 50716, 63395, 99796, 124745, 126790, 249490, 253580, 498980, 773419, 1546838, 3093676, 3867095, 7734190, 15468380]

約数ペア:

[(1, 15468380), (2, 7734190), (4, 3867095), (5, 3093676), (10, 1546838), (20, 773419), (31, 498980), (61, 253580), (62, 249490), (122, 126790), (124, 124745), (155, 99796), (244, 63395), (305, 50716), (310, 49898), (409, 37820), (610, 25358), (620, 24949), (818, 18910), (1220, 12679), (1636, 9455), (1891, 8180), (2045, 7564), (3782, 4090)]