218529720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{947}}^1$

素因数の和:1605

約数の個数: 96

約数和(自身を含む): 712080720

約数和(自身を除く): 493551000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 641, 947, 1282, 1894, 1923, 2564, 2841, 3205, 3788, 3846, 4735, 5128, 5682, 5769, 6410, 7576, 7692, 8523, 9470, 9615, 11364, 11538, 12820, 14205, 15384, 17046, 18940, 19230, 22728, 23076, 25640, 28410, 28845, 34092, 37880, 38460, 42615, 46152, 56820, 57690, 68184, 76920, 85230, 113640, 115380, 170460, 230760, 340920, 607027, 1214054, 1821081, 2428108, 3035135, 3642162, 4856216, 5463243, 6070270, 7284324, 9105405, 10926486, 12140540, 14568648, 18210810, 21852972, 24281080, 27316215, 36421620, 43705944, 54632430, 72843240, 109264860, 218529720]

約数ペア:

[(1, 218529720), (2, 109264860), (3, 72843240), (4, 54632430), (5, 43705944), (6, 36421620), (8, 27316215), (9, 24281080), (10, 21852972), (12, 18210810), (15, 14568648), (18, 12140540), (20, 10926486), (24, 9105405), (30, 7284324), (36, 6070270), (40, 5463243), (45, 4856216), (60, 3642162), (72, 3035135), (90, 2428108), (120, 1821081), (180, 1214054), (360, 607027), (641, 340920), (947, 230760), (1282, 170460), (1894, 115380), (1923, 113640), (2564, 85230), (2841, 76920), (3205, 68184), (3788, 57690), (3846, 56820), (4735, 46152), (5128, 42615), (5682, 38460), (5769, 37880), (6410, 34092), (7576, 28845), (7692, 28410), (8523, 25640), (9470, 23076), (9615, 22728), (11364, 19230), (11538, 18940), (12820, 17046), (14205, 15384)]