317990560

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1051}}^1$

素因数の和:1158

約数の個数: 96

約数和(自身を含む): 788949504

約数和(自身を除く): 470958944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 61, 62, 80, 122, 124, 155, 160, 244, 248, 305, 310, 488, 496, 610, 620, 976, 992, 1051, 1220, 1240, 1891, 1952, 2102, 2440, 2480, 3782, 4204, 4880, 4960, 5255, 7564, 8408, 9455, 9760, 10510, 15128, 16816, 18910, 21020, 30256, 32581, 33632, 37820, 42040, 60512, 64111, 65162, 75640, 84080, 128222, 130324, 151280, 162905, 168160, 256444, 260648, 302560, 320555, 325810, 512888, 521296, 641110, 651620, 1025776, 1042592, 1282220, 1303240, 1987441, 2051552, 2564440, 2606480, 3974882, 5128880, 5212960, 7949764, 9937205, 10257760, 15899528, 19874410, 31799056, 39748820, 63598112, 79497640, 158995280, 317990560]

約数ペア:

[(1, 317990560), (2, 158995280), (4, 79497640), (5, 63598112), (8, 39748820), (10, 31799056), (16, 19874410), (20, 15899528), (31, 10257760), (32, 9937205), (40, 7949764), (61, 5212960), (62, 5128880), (80, 3974882), (122, 2606480), (124, 2564440), (155, 2051552), (160, 1987441), (244, 1303240), (248, 1282220), (305, 1042592), (310, 1025776), (488, 651620), (496, 641110), (610, 521296), (620, 512888), (976, 325810), (992, 320555), (1051, 302560), (1220, 260648), (1240, 256444), (1891, 168160), (1952, 162905), (2102, 151280), (2440, 130324), (2480, 128222), (3782, 84080), (4204, 75640), (4880, 65162), (4960, 64111), (5255, 60512), (7564, 42040), (8408, 37820), (9455, 33632), (9760, 32581), (10510, 30256), (15128, 21020), (16816, 18910)]