256206780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{541}}^1\times {\mathrm{877}}^1$

素因数の和:1436

約数の個数: 96

約数和(自身を含む): 799471680

約数和(自身を除く): 543264900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 541, 877, 1082, 1623, 1754, 2164, 2631, 2705, 3246, 3508, 4385, 4869, 5262, 5410, 6492, 7893, 8115, 8770, 9738, 10524, 10820, 13155, 14607, 15786, 16230, 17540, 19476, 23679, 24345, 26310, 29214, 31572, 32460, 39465, 47358, 48690, 52620, 58428, 73035, 78930, 94716, 97380, 118395, 146070, 157860, 236790, 292140, 473580, 474457, 948914, 1423371, 1897828, 2372285, 2846742, 4270113, 4744570, 5693484, 7116855, 8540226, 9489140, 12810339, 14233710, 17080452, 21350565, 25620678, 28467420, 42701130, 51241356, 64051695, 85402260, 128103390, 256206780]

約数ペア:

[(1, 256206780), (2, 128103390), (3, 85402260), (4, 64051695), (5, 51241356), (6, 42701130), (9, 28467420), (10, 25620678), (12, 21350565), (15, 17080452), (18, 14233710), (20, 12810339), (27, 9489140), (30, 8540226), (36, 7116855), (45, 5693484), (54, 4744570), (60, 4270113), (90, 2846742), (108, 2372285), (135, 1897828), (180, 1423371), (270, 948914), (540, 474457), (541, 473580), (877, 292140), (1082, 236790), (1623, 157860), (1754, 146070), (2164, 118395), (2631, 97380), (2705, 94716), (3246, 78930), (3508, 73035), (4385, 58428), (4869, 52620), (5262, 48690), (5410, 47358), (6492, 39465), (7893, 32460), (8115, 31572), (8770, 29214), (9738, 26310), (10524, 24345), (10820, 23679), (13155, 19476), (14607, 17540), (15786, 16230)]