81591390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{2953}}^1$

素因数の和:3273

約数の個数: 48

約数和(自身を含む): 212900688

約数和(自身を除く): 131309298

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 307, 614, 921, 1535, 1842, 2763, 2953, 3070, 4605, 5526, 5906, 8859, 9210, 13815, 14765, 17718, 26577, 27630, 29530, 44295, 53154, 88590, 132885, 265770, 906571, 1813142, 2719713, 4532855, 5439426, 8159139, 9065710, 13598565, 16318278, 27197130, 40795695, 81591390]

約数ペア:

[(1, 81591390), (2, 40795695), (3, 27197130), (5, 16318278), (6, 13598565), (9, 9065710), (10, 8159139), (15, 5439426), (18, 4532855), (30, 2719713), (45, 1813142), (90, 906571), (307, 265770), (614, 132885), (921, 88590), (1535, 53154), (1842, 44295), (2763, 29530), (2953, 27630), (3070, 26577), (4605, 17718), (5526, 14765), (5906, 13815), (8859, 9210)]