257226720

素因数分解:

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

素因数の和:1968

約数の個数: 96

約数和(自身を含む): 813214080

約数和(自身を除く): 555987360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 331, 480, 662, 993, 1324, 1619, 1655, 1986, 2648, 3238, 3310, 3972, 4857, 4965, 5296, 6476, 6620, 7944, 8095, 9714, 9930, 10592, 12952, 13240, 15888, 16190, 19428, 19860, 24285, 25904, 26480, 31776, 32380, 38856, 39720, 48570, 51808, 52960, 64760, 77712, 79440, 97140, 129520, 155424, 158880, 194280, 259040, 388560, 535889, 777120, 1071778, 1607667, 2143556, 2679445, 3215334, 4287112, 5358890, 6430668, 8038335, 8574224, 10717780, 12861336, 16076670, 17148448, 21435560, 25722672, 32153340, 42871120, 51445344, 64306680, 85742240, 128613360, 257226720]

約数ペア:

[(1, 257226720), (2, 128613360), (3, 85742240), (4, 64306680), (5, 51445344), (6, 42871120), (8, 32153340), (10, 25722672), (12, 21435560), (15, 17148448), (16, 16076670), (20, 12861336), (24, 10717780), (30, 8574224), (32, 8038335), (40, 6430668), (48, 5358890), (60, 4287112), (80, 3215334), (96, 2679445), (120, 2143556), (160, 1607667), (240, 1071778), (331, 777120), (480, 535889), (662, 388560), (993, 259040), (1324, 194280), (1619, 158880), (1655, 155424), (1986, 129520), (2648, 97140), (3238, 79440), (3310, 77712), (3972, 64760), (4857, 52960), (4965, 51808), (5296, 48570), (6476, 39720), (6620, 38856), (7944, 32380), (8095, 31776), (9714, 26480), (9930, 25904), (10592, 24285), (12952, 19860), (13240, 19428), (15888, 16190)]