71857360

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{659}}^1$

素因数の和:748

約数の個数: 80

約数和(自身を含む): 176774400

約数和(自身を除く): 104917040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 47, 58, 80, 94, 116, 145, 188, 232, 235, 290, 376, 464, 470, 580, 659, 752, 940, 1160, 1318, 1363, 1880, 2320, 2636, 2726, 3295, 3760, 5272, 5452, 6590, 6815, 10544, 10904, 13180, 13630, 19111, 21808, 26360, 27260, 30973, 38222, 52720, 54520, 61946, 76444, 95555, 109040, 123892, 152888, 154865, 191110, 247784, 305776, 309730, 382220, 495568, 619460, 764440, 898217, 1238920, 1528880, 1796434, 2477840, 3592868, 4491085, 7185736, 8982170, 14371472, 17964340, 35928680, 71857360]

約数ペア:

[(1, 71857360), (2, 35928680), (4, 17964340), (5, 14371472), (8, 8982170), (10, 7185736), (16, 4491085), (20, 3592868), (29, 2477840), (40, 1796434), (47, 1528880), (58, 1238920), (80, 898217), (94, 764440), (116, 619460), (145, 495568), (188, 382220), (232, 309730), (235, 305776), (290, 247784), (376, 191110), (464, 154865), (470, 152888), (580, 123892), (659, 109040), (752, 95555), (940, 76444), (1160, 61946), (1318, 54520), (1363, 52720), (1880, 38222), (2320, 30973), (2636, 27260), (2726, 26360), (3295, 21808), (3760, 19111), (5272, 13630), (5452, 13180), (6590, 10904), (6815, 10544)]