42123420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7549}}^1$

素因数の和:7595

約数の個数: 72

約数和(自身を含む): 131913600

約数和(自身を除く): 89790180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 7549, 15098, 22647, 30196, 37745, 45294, 67941, 75490, 90588, 113235, 135882, 150980, 226470, 234019, 271764, 339705, 452940, 468038, 679410, 702057, 936076, 1170095, 1358820, 1404114, 2106171, 2340190, 2808228, 3510285, 4212342, 4680380, 7020570, 8424684, 10530855, 14041140, 21061710, 42123420]

約数ペア:

[(1, 42123420), (2, 21061710), (3, 14041140), (4, 10530855), (5, 8424684), (6, 7020570), (9, 4680380), (10, 4212342), (12, 3510285), (15, 2808228), (18, 2340190), (20, 2106171), (30, 1404114), (31, 1358820), (36, 1170095), (45, 936076), (60, 702057), (62, 679410), (90, 468038), (93, 452940), (124, 339705), (155, 271764), (180, 234019), (186, 226470), (279, 150980), (310, 135882), (372, 113235), (465, 90588), (558, 75490), (620, 67941), (930, 45294), (1116, 37745), (1395, 30196), (1860, 22647), (2790, 15098), (5580, 7549)]