61059920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:205

約数の個数: 120

約数和(自身を含む): 159885600

約数和(自身を除く): 98825680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 139, 152, 170, 190, 272, 278, 289, 304, 323, 340, 380, 556, 578, 646, 680, 695, 760, 1112, 1156, 1292, 1360, 1390, 1445, 1520, 1615, 2224, 2312, 2363, 2584, 2641, 2780, 2890, 3230, 4624, 4726, 5168, 5282, 5491, 5560, 5780, 6460, 9452, 10564, 10982, 11120, 11560, 11815, 12920, 13205, 18904, 21128, 21964, 23120, 23630, 25840, 26410, 27455, 37808, 40171, 42256, 43928, 44897, 47260, 52820, 54910, 80342, 87856, 89794, 94520, 105640, 109820, 160684, 179588, 189040, 200855, 211280, 219640, 224485, 321368, 359176, 401710, 439280, 448970, 642736, 718352, 763249, 803420, 897940, 1526498, 1606840, 1795880, 3052996, 3213680, 3591760, 3816245, 6105992, 7632490, 12211984, 15264980, 30529960, 61059920]

約数ペア:

[(1, 61059920), (2, 30529960), (4, 15264980), (5, 12211984), (8, 7632490), (10, 6105992), (16, 3816245), (17, 3591760), (19, 3213680), (20, 3052996), (34, 1795880), (38, 1606840), (40, 1526498), (68, 897940), (76, 803420), (80, 763249), (85, 718352), (95, 642736), (136, 448970), (139, 439280), (152, 401710), (170, 359176), (190, 321368), (272, 224485), (278, 219640), (289, 211280), (304, 200855), (323, 189040), (340, 179588), (380, 160684), (556, 109820), (578, 105640), (646, 94520), (680, 89794), (695, 87856), (760, 80342), (1112, 54910), (1156, 52820), (1292, 47260), (1360, 44897), (1390, 43928), (1445, 42256), (1520, 40171), (1615, 37808), (2224, 27455), (2312, 26410), (2363, 25840), (2584, 23630), (2641, 23120), (2780, 21964), (2890, 21128), (3230, 18904), (4624, 13205), (4726, 12920), (5168, 11815), (5282, 11560), (5491, 11120), (5560, 10982), (5780, 10564), (6460, 9452)]