198854640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{276187}}^1$

素因数の和:276206

約数の個数: 60

約数和(自身を含む): 667822584

約数和(自身を除く): 468967944

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 276187, 552374, 828561, 1104748, 1380935, 1657122, 2209496, 2485683, 2761870, 3314244, 4142805, 4418992, 4971366, 5523740, 6628488, 8285610, 9942732, 11047480, 12428415, 13256976, 16571220, 19885464, 22094960, 24856830, 33142440, 39770928, 49713660, 66284880, 99427320, 198854640]

約数ペア:

[(1, 198854640), (2, 99427320), (3, 66284880), (4, 49713660), (5, 39770928), (6, 33142440), (8, 24856830), (9, 22094960), (10, 19885464), (12, 16571220), (15, 13256976), (16, 12428415), (18, 11047480), (20, 9942732), (24, 8285610), (30, 6628488), (36, 5523740), (40, 4971366), (45, 4418992), (48, 4142805), (60, 3314244), (72, 2761870), (80, 2485683), (90, 2209496), (120, 1657122), (144, 1380935), (180, 1104748), (240, 828561), (360, 552374), (720, 276187)]