55515420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{9949}}^1$

素因数の和:9995

約数の個数: 72

約数和(自身を含む): 173846400

約数和(自身を除く): 118330980

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, 9949, 19898, 29847, 39796, 49745, 59694, 89541, 99490, 119388, 149235, 179082, 198980, 298470, 308419, 358164, 447705, 596940, 616838, 895410, 925257, 1233676, 1542095, 1790820, 1850514, 2775771, 3084190, 3701028, 4626285, 5551542, 6168380, 9252570, 11103084, 13878855, 18505140, 27757710, 55515420]

約数ペア:

[(1, 55515420), (2, 27757710), (3, 18505140), (4, 13878855), (5, 11103084), (6, 9252570), (9, 6168380), (10, 5551542), (12, 4626285), (15, 3701028), (18, 3084190), (20, 2775771), (30, 1850514), (31, 1790820), (36, 1542095), (45, 1233676), (60, 925257), (62, 895410), (90, 616838), (93, 596940), (124, 447705), (155, 358164), (180, 308419), (186, 298470), (279, 198980), (310, 179082), (372, 149235), (465, 119388), (558, 99490), (620, 89541), (930, 59694), (1116, 49745), (1395, 39796), (1860, 29847), (2790, 19898), (5580, 9949)]