1280430

素因数分解:

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

素因数の和:401

約数の個数: 48

約数和(自身を含む): 3420144

約数和(自身を除く): 2139714

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 41, 45, 82, 90, 123, 205, 246, 347, 369, 410, 615, 694, 738, 1041, 1230, 1735, 1845, 2082, 3123, 3470, 3690, 5205, 6246, 10410, 14227, 15615, 28454, 31230, 42681, 71135, 85362, 128043, 142270, 213405, 256086, 426810, 640215, 1280430]

約数ペア:

[(1, 1280430), (2, 640215), (3, 426810), (5, 256086), (6, 213405), (9, 142270), (10, 128043), (15, 85362), (18, 71135), (30, 42681), (41, 31230), (45, 28454), (82, 15615), (90, 14227), (123, 10410), (205, 6246), (246, 5205), (347, 3690), (369, 3470), (410, 3123), (615, 2082), (694, 1845), (738, 1735), (1041, 1230)]