81191460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2447}}^1$

素因数の和:2545

約数の個数: 96

約数和(自身を含む): 263208960

約数和(自身を除く): 182017500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 79, 84, 105, 140, 158, 210, 237, 316, 395, 420, 474, 553, 790, 948, 1106, 1185, 1580, 1659, 2212, 2370, 2447, 2765, 3318, 4740, 4894, 5530, 6636, 7341, 8295, 9788, 11060, 12235, 14682, 16590, 17129, 24470, 29364, 33180, 34258, 36705, 48940, 51387, 68516, 73410, 85645, 102774, 146820, 171290, 193313, 205548, 256935, 342580, 386626, 513870, 579939, 773252, 966565, 1027740, 1159878, 1353191, 1933130, 2319756, 2706382, 2899695, 3866260, 4059573, 5412764, 5799390, 6765955, 8119146, 11598780, 13531910, 16238292, 20297865, 27063820, 40595730, 81191460]

約数ペア:

[(1, 81191460), (2, 40595730), (3, 27063820), (4, 20297865), (5, 16238292), (6, 13531910), (7, 11598780), (10, 8119146), (12, 6765955), (14, 5799390), (15, 5412764), (20, 4059573), (21, 3866260), (28, 2899695), (30, 2706382), (35, 2319756), (42, 1933130), (60, 1353191), (70, 1159878), (79, 1027740), (84, 966565), (105, 773252), (140, 579939), (158, 513870), (210, 386626), (237, 342580), (316, 256935), (395, 205548), (420, 193313), (474, 171290), (553, 146820), (790, 102774), (948, 85645), (1106, 73410), (1185, 68516), (1580, 51387), (1659, 48940), (2212, 36705), (2370, 34258), (2447, 33180), (2765, 29364), (3318, 24470), (4740, 17129), (4894, 16590), (5530, 14682), (6636, 12235), (7341, 11060), (8295, 9788)]