281570640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{90247}}^1$

素因数の和:90276

約数の個数: 80

約数和(自身を含む): 940023168

約数和(自身を除く): 658452528

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 90247, 180494, 270741, 360988, 451235, 541482, 721976, 902470, 1082964, 1173211, 1353705, 1443952, 1804940, 2165928, 2346422, 2707410, 3519633, 3609880, 4331856, 4692844, 5414820, 5866055, 7039266, 7219760, 9385688, 10829640, 11732110, 14078532, 17598165, 18771376, 21659280, 23464220, 28157064, 35196330, 46928440, 56314128, 70392660, 93856880, 140785320, 281570640]

約数ペア:

[(1, 281570640), (2, 140785320), (3, 93856880), (4, 70392660), (5, 56314128), (6, 46928440), (8, 35196330), (10, 28157064), (12, 23464220), (13, 21659280), (15, 18771376), (16, 17598165), (20, 14078532), (24, 11732110), (26, 10829640), (30, 9385688), (39, 7219760), (40, 7039266), (48, 5866055), (52, 5414820), (60, 4692844), (65, 4331856), (78, 3609880), (80, 3519633), (104, 2707410), (120, 2346422), (130, 2165928), (156, 1804940), (195, 1443952), (208, 1353705), (240, 1173211), (260, 1082964), (312, 902470), (390, 721976), (520, 541482), (624, 451235), (780, 360988), (1040, 270741), (1560, 180494), (3120, 90247)]