206373720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{245683}}^1$

素因数の和:245704

約数の個数: 64

約数和(自身を含む): 707569920

約数和(自身を除く): 501196200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 245683, 491366, 737049, 982732, 1228415, 1474098, 1719781, 1965464, 2456830, 2948196, 3439562, 3685245, 4913660, 5159343, 5896392, 6879124, 7370490, 8598905, 9827320, 10318686, 13758248, 14740980, 17197810, 20637372, 25796715, 29481960, 34395620, 41274744, 51593430, 68791240, 103186860, 206373720]

約数ペア:

[(1, 206373720), (2, 103186860), (3, 68791240), (4, 51593430), (5, 41274744), (6, 34395620), (7, 29481960), (8, 25796715), (10, 20637372), (12, 17197810), (14, 14740980), (15, 13758248), (20, 10318686), (21, 9827320), (24, 8598905), (28, 7370490), (30, 6879124), (35, 5896392), (40, 5159343), (42, 4913660), (56, 3685245), (60, 3439562), (70, 2948196), (84, 2456830), (105, 1965464), (120, 1719781), (140, 1474098), (168, 1228415), (210, 982732), (280, 737049), (420, 491366), (840, 245683)]