128613360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1619}}^1$

素因数の和:1966

約数の個数: 80

約数和(自身を含む): 400152960

約数和(自身を除く): 271539600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 331, 662, 993, 1324, 1619, 1655, 1986, 2648, 3238, 3310, 3972, 4857, 4965, 5296, 6476, 6620, 7944, 8095, 9714, 9930, 12952, 13240, 15888, 16190, 19428, 19860, 24285, 25904, 26480, 32380, 38856, 39720, 48570, 64760, 77712, 79440, 97140, 129520, 194280, 388560, 535889, 1071778, 1607667, 2143556, 2679445, 3215334, 4287112, 5358890, 6430668, 8038335, 8574224, 10717780, 12861336, 16076670, 21435560, 25722672, 32153340, 42871120, 64306680, 128613360]

約数ペア:

[(1, 128613360), (2, 64306680), (3, 42871120), (4, 32153340), (5, 25722672), (6, 21435560), (8, 16076670), (10, 12861336), (12, 10717780), (15, 8574224), (16, 8038335), (20, 6430668), (24, 5358890), (30, 4287112), (40, 3215334), (48, 2679445), (60, 2143556), (80, 1607667), (120, 1071778), (240, 535889), (331, 388560), (662, 194280), (993, 129520), (1324, 97140), (1619, 79440), (1655, 77712), (1986, 64760), (2648, 48570), (3238, 39720), (3310, 38856), (3972, 32380), (4857, 26480), (4965, 25904), (5296, 24285), (6476, 19860), (6620, 19428), (7944, 16190), (8095, 15888), (9714, 13240), (9930, 12952)]