251483280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{997}}^1\times {\mathrm{1051}}^1$

素因数の和:2064

約数の個数: 80

約数和(自身を含む): 781122624

約数和(自身を除く): 529639344

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 997, 1051, 1994, 2102, 2991, 3153, 3988, 4204, 4985, 5255, 5982, 6306, 7976, 8408, 9970, 10510, 11964, 12612, 14955, 15765, 15952, 16816, 19940, 21020, 23928, 25224, 29910, 31530, 39880, 42040, 47856, 50448, 59820, 63060, 79760, 84080, 119640, 126120, 239280, 252240, 1047847, 2095694, 3143541, 4191388, 5239235, 6287082, 8382776, 10478470, 12574164, 15717705, 16765552, 20956940, 25148328, 31435410, 41913880, 50296656, 62870820, 83827760, 125741640, 251483280]

約数ペア:

[(1, 251483280), (2, 125741640), (3, 83827760), (4, 62870820), (5, 50296656), (6, 41913880), (8, 31435410), (10, 25148328), (12, 20956940), (15, 16765552), (16, 15717705), (20, 12574164), (24, 10478470), (30, 8382776), (40, 6287082), (48, 5239235), (60, 4191388), (80, 3143541), (120, 2095694), (240, 1047847), (997, 252240), (1051, 239280), (1994, 126120), (2102, 119640), (2991, 84080), (3153, 79760), (3988, 63060), (4204, 59820), (4985, 50448), (5255, 47856), (5982, 42040), (6306, 39880), (7976, 31530), (8408, 29910), (9970, 25224), (10510, 23928), (11964, 21020), (12612, 19940), (14955, 16816), (15765, 15952)]