31289340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:259

約数の個数: 96

約数和(自身を含む): 90994176

約数和(自身を除く): 59704836

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 83, 103, 122, 166, 183, 206, 244, 249, 305, 309, 332, 366, 412, 415, 498, 515, 610, 618, 732, 830, 915, 996, 1030, 1220, 1236, 1245, 1545, 1660, 1830, 2060, 2490, 3090, 3660, 4980, 5063, 6180, 6283, 8549, 10126, 12566, 15189, 17098, 18849, 20252, 25132, 25315, 25647, 30378, 31415, 34196, 37698, 42745, 50630, 51294, 60756, 62830, 75396, 75945, 85490, 94245, 101260, 102588, 125660, 128235, 151890, 170980, 188490, 256470, 303780, 376980, 512940, 521489, 1042978, 1564467, 2085956, 2607445, 3128934, 5214890, 6257868, 7822335, 10429780, 15644670, 31289340]

約数ペア:

[(1, 31289340), (2, 15644670), (3, 10429780), (4, 7822335), (5, 6257868), (6, 5214890), (10, 3128934), (12, 2607445), (15, 2085956), (20, 1564467), (30, 1042978), (60, 521489), (61, 512940), (83, 376980), (103, 303780), (122, 256470), (166, 188490), (183, 170980), (206, 151890), (244, 128235), (249, 125660), (305, 102588), (309, 101260), (332, 94245), (366, 85490), (412, 75945), (415, 75396), (498, 62830), (515, 60756), (610, 51294), (618, 50630), (732, 42745), (830, 37698), (915, 34196), (996, 31415), (1030, 30378), (1220, 25647), (1236, 25315), (1245, 25132), (1545, 20252), (1660, 18849), (1830, 17098), (2060, 15189), (2490, 12566), (3090, 10126), (3660, 8549), (4980, 6283), (5063, 6180)]