2505420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1$

素因数の和:495

約数の個数: 72

約数和(自身を含む): 7862400

約数和(自身を除く): 5356980

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, 449, 465, 558, 620, 898, 930, 1116, 1347, 1395, 1796, 1860, 2245, 2694, 2790, 4041, 4490, 5388, 5580, 6735, 8082, 8980, 13470, 13919, 16164, 20205, 26940, 27838, 40410, 41757, 55676, 69595, 80820, 83514, 125271, 139190, 167028, 208785, 250542, 278380, 417570, 501084, 626355, 835140, 1252710, 2505420]

約数ペア:

[(1, 2505420), (2, 1252710), (3, 835140), (4, 626355), (5, 501084), (6, 417570), (9, 278380), (10, 250542), (12, 208785), (15, 167028), (18, 139190), (20, 125271), (30, 83514), (31, 80820), (36, 69595), (45, 55676), (60, 41757), (62, 40410), (90, 27838), (93, 26940), (124, 20205), (155, 16164), (180, 13919), (186, 13470), (279, 8980), (310, 8082), (372, 6735), (449, 5580), (465, 5388), (558, 4490), (620, 4041), (898, 2790), (930, 2694), (1116, 2245), (1347, 1860), (1395, 1796)]