256235490

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{2351}}^1$

素因数の和:2544

約数の個数: 96

約数和(自身を含む): 766112256

約数和(自身を除く): 509876766

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 173, 210, 315, 346, 519, 630, 865, 1038, 1211, 1557, 1730, 2351, 2422, 2595, 3114, 3633, 4702, 5190, 6055, 7053, 7266, 7785, 10899, 11755, 12110, 14106, 15570, 16457, 18165, 21159, 21798, 23510, 32914, 35265, 36330, 42318, 49371, 54495, 70530, 82285, 98742, 105795, 108990, 148113, 164570, 211590, 246855, 296226, 406723, 493710, 740565, 813446, 1220169, 1481130, 2033615, 2440338, 2847061, 3660507, 4067230, 5694122, 6100845, 7321014, 8541183, 12201690, 14235305, 17082366, 18302535, 25623549, 28470610, 36605070, 42705915, 51247098, 85411830, 128117745, 256235490]

約数ペア:

[(1, 256235490), (2, 128117745), (3, 85411830), (5, 51247098), (6, 42705915), (7, 36605070), (9, 28470610), (10, 25623549), (14, 18302535), (15, 17082366), (18, 14235305), (21, 12201690), (30, 8541183), (35, 7321014), (42, 6100845), (45, 5694122), (63, 4067230), (70, 3660507), (90, 2847061), (105, 2440338), (126, 2033615), (173, 1481130), (210, 1220169), (315, 813446), (346, 740565), (519, 493710), (630, 406723), (865, 296226), (1038, 246855), (1211, 211590), (1557, 164570), (1730, 148113), (2351, 108990), (2422, 105795), (2595, 98742), (3114, 82285), (3633, 70530), (4702, 54495), (5190, 49371), (6055, 42318), (7053, 36330), (7266, 35265), (7785, 32914), (10899, 23510), (11755, 21798), (12110, 21159), (14106, 18165), (15570, 16457)]