76978480

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{347}}^1$

素因数の和:466

約数の個数: 80

約数和(自身を含む): 186416640

約数和(自身を除く): 109438160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 59, 80, 94, 118, 188, 235, 236, 295, 347, 376, 470, 472, 590, 694, 752, 940, 944, 1180, 1388, 1735, 1880, 2360, 2773, 2776, 3470, 3760, 4720, 5546, 5552, 6940, 11092, 13865, 13880, 16309, 20473, 22184, 27730, 27760, 32618, 40946, 44368, 55460, 65236, 81545, 81892, 102365, 110920, 130472, 163090, 163784, 204730, 221840, 260944, 326180, 327568, 409460, 652360, 818920, 962231, 1304720, 1637840, 1924462, 3848924, 4811155, 7697848, 9622310, 15395696, 19244620, 38489240, 76978480]

約数ペア:

[(1, 76978480), (2, 38489240), (4, 19244620), (5, 15395696), (8, 9622310), (10, 7697848), (16, 4811155), (20, 3848924), (40, 1924462), (47, 1637840), (59, 1304720), (80, 962231), (94, 818920), (118, 652360), (188, 409460), (235, 327568), (236, 326180), (295, 260944), (347, 221840), (376, 204730), (470, 163784), (472, 163090), (590, 130472), (694, 110920), (752, 102365), (940, 81892), (944, 81545), (1180, 65236), (1388, 55460), (1735, 44368), (1880, 40946), (2360, 32618), (2773, 27760), (2776, 27730), (3470, 22184), (3760, 20473), (4720, 16309), (5546, 13880), (5552, 13865), (6940, 11092)]