2560860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{347}}^1$

素因数の和:403

約数の個数: 72

約数和(自身を含む): 7980336

約数和(自身を除く): 5419476

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 246, 347, 369, 410, 492, 615, 694, 738, 820, 1041, 1230, 1388, 1476, 1735, 1845, 2082, 2460, 3123, 3470, 3690, 4164, 5205, 6246, 6940, 7380, 10410, 12492, 14227, 15615, 20820, 28454, 31230, 42681, 56908, 62460, 71135, 85362, 128043, 142270, 170724, 213405, 256086, 284540, 426810, 512172, 640215, 853620, 1280430, 2560860]

約数ペア:

[(1, 2560860), (2, 1280430), (3, 853620), (4, 640215), (5, 512172), (6, 426810), (9, 284540), (10, 256086), (12, 213405), (15, 170724), (18, 142270), (20, 128043), (30, 85362), (36, 71135), (41, 62460), (45, 56908), (60, 42681), (82, 31230), (90, 28454), (123, 20820), (164, 15615), (180, 14227), (205, 12492), (246, 10410), (347, 7380), (369, 6940), (410, 6246), (492, 5205), (615, 4164), (694, 3690), (738, 3470), (820, 3123), (1041, 2460), (1230, 2082), (1388, 1845), (1476, 1735)]