216731640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{811}}^1$

素因数の和:973

約数の個数: 128

約数和(自身を含む): 694552320

約数和(自身を除く): 477820680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 131, 136, 170, 204, 255, 262, 340, 393, 408, 510, 524, 655, 680, 786, 811, 1020, 1048, 1310, 1572, 1622, 1965, 2040, 2227, 2433, 2620, 3144, 3244, 3930, 4055, 4454, 4866, 5240, 6488, 6681, 7860, 8110, 8908, 9732, 11135, 12165, 13362, 13787, 15720, 16220, 17816, 19464, 22270, 24330, 26724, 27574, 32440, 33405, 41361, 44540, 48660, 53448, 55148, 66810, 68935, 82722, 89080, 97320, 106241, 110296, 133620, 137870, 165444, 206805, 212482, 267240, 275740, 318723, 330888, 413610, 424964, 531205, 551480, 637446, 827220, 849928, 1062410, 1274892, 1593615, 1654440, 1806097, 2124820, 2549784, 3187230, 3612194, 4249640, 5418291, 6374460, 7224388, 9030485, 10836582, 12748920, 14448776, 18060970, 21673164, 27091455, 36121940, 43346328, 54182910, 72243880, 108365820, 216731640]

約数ペア:

[(1, 216731640), (2, 108365820), (3, 72243880), (4, 54182910), (5, 43346328), (6, 36121940), (8, 27091455), (10, 21673164), (12, 18060970), (15, 14448776), (17, 12748920), (20, 10836582), (24, 9030485), (30, 7224388), (34, 6374460), (40, 5418291), (51, 4249640), (60, 3612194), (68, 3187230), (85, 2549784), (102, 2124820), (120, 1806097), (131, 1654440), (136, 1593615), (170, 1274892), (204, 1062410), (255, 849928), (262, 827220), (340, 637446), (393, 551480), (408, 531205), (510, 424964), (524, 413610), (655, 330888), (680, 318723), (786, 275740), (811, 267240), (1020, 212482), (1048, 206805), (1310, 165444), (1572, 137870), (1622, 133620), (1965, 110296), (2040, 106241), (2227, 97320), (2433, 89080), (2620, 82722), (3144, 68935), (3244, 66810), (3930, 55148), (4055, 53448), (4454, 48660), (4866, 44540), (5240, 41361), (6488, 33405), (6681, 32440), (7860, 27574), (8110, 26724), (8908, 24330), (9732, 22270), (11135, 19464), (12165, 17816), (13362, 16220), (13787, 15720)]