260249920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{521}}^1$

素因数の和:768

約数の個数: 112

約数和(自身を含む): 712793088

約数和(自身を除く): 452543168

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 223, 224, 280, 320, 446, 448, 521, 560, 892, 1042, 1115, 1120, 1561, 1784, 2084, 2230, 2240, 2605, 3122, 3568, 3647, 4168, 4460, 5210, 6244, 7136, 7294, 7805, 8336, 8920, 10420, 12488, 14272, 14588, 15610, 16672, 17840, 18235, 20840, 24976, 29176, 31220, 33344, 35680, 36470, 41680, 49952, 58352, 62440, 71360, 72940, 83360, 99904, 116183, 116704, 124880, 145880, 166720, 232366, 233408, 249760, 291760, 464732, 499520, 580915, 583520, 813281, 929464, 1161830, 1167040, 1626562, 1858928, 2323660, 3253124, 3717856, 4066405, 4647320, 6506248, 7435712, 8132810, 9294640, 13012496, 16265620, 18589280, 26024992, 32531240, 37178560, 52049984, 65062480, 130124960, 260249920]

約数ペア:

[(1, 260249920), (2, 130124960), (4, 65062480), (5, 52049984), (7, 37178560), (8, 32531240), (10, 26024992), (14, 18589280), (16, 16265620), (20, 13012496), (28, 9294640), (32, 8132810), (35, 7435712), (40, 6506248), (56, 4647320), (64, 4066405), (70, 3717856), (80, 3253124), (112, 2323660), (140, 1858928), (160, 1626562), (223, 1167040), (224, 1161830), (280, 929464), (320, 813281), (446, 583520), (448, 580915), (521, 499520), (560, 464732), (892, 291760), (1042, 249760), (1115, 233408), (1120, 232366), (1561, 166720), (1784, 145880), (2084, 124880), (2230, 116704), (2240, 116183), (2605, 99904), (3122, 83360), (3568, 72940), (3647, 71360), (4168, 62440), (4460, 58352), (5210, 49952), (6244, 41680), (7136, 36470), (7294, 35680), (7805, 33344), (8336, 31220), (8920, 29176), (10420, 24976), (12488, 20840), (14272, 18235), (14588, 17840), (15610, 16672)]