15929240

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 37756800

約数和(自身を除く): 21827560

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 47, 74, 94, 148, 185, 188, 229, 235, 296, 370, 376, 458, 470, 740, 916, 940, 1145, 1480, 1739, 1832, 1880, 2290, 3478, 4580, 6956, 8473, 8695, 9160, 10763, 13912, 16946, 17390, 21526, 33892, 34780, 42365, 43052, 53815, 67784, 69560, 84730, 86104, 107630, 169460, 215260, 338920, 398231, 430520, 796462, 1592924, 1991155, 3185848, 3982310, 7964620, 15929240]

約数ペア:

[(1, 15929240), (2, 7964620), (4, 3982310), (5, 3185848), (8, 1991155), (10, 1592924), (20, 796462), (37, 430520), (40, 398231), (47, 338920), (74, 215260), (94, 169460), (148, 107630), (185, 86104), (188, 84730), (229, 69560), (235, 67784), (296, 53815), (370, 43052), (376, 42365), (458, 34780), (470, 33892), (740, 21526), (916, 17390), (940, 16946), (1145, 13912), (1480, 10763), (1739, 9160), (1832, 8695), (1880, 8473), (2290, 6956), (3478, 4580)]