208540620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{2029}}^1$

素因数の和:2615

約数の個数: 72

約数和(自身を含む): 633993360

約数和(自身を除く): 425452740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 571, 1142, 1713, 2029, 2284, 2855, 3426, 4058, 5139, 5710, 6087, 6852, 8116, 8565, 10145, 10278, 11420, 12174, 17130, 18261, 20290, 20556, 24348, 25695, 30435, 34260, 36522, 40580, 51390, 60870, 73044, 91305, 102780, 121740, 182610, 365220, 1158559, 2317118, 3475677, 4634236, 5792795, 6951354, 10427031, 11585590, 13902708, 17378385, 20854062, 23171180, 34756770, 41708124, 52135155, 69513540, 104270310, 208540620]

約数ペア:

[(1, 208540620), (2, 104270310), (3, 69513540), (4, 52135155), (5, 41708124), (6, 34756770), (9, 23171180), (10, 20854062), (12, 17378385), (15, 13902708), (18, 11585590), (20, 10427031), (30, 6951354), (36, 5792795), (45, 4634236), (60, 3475677), (90, 2317118), (180, 1158559), (571, 365220), (1142, 182610), (1713, 121740), (2029, 102780), (2284, 91305), (2855, 73044), (3426, 60870), (4058, 51390), (5139, 40580), (5710, 36522), (6087, 34260), (6852, 30435), (8116, 25695), (8565, 24348), (10145, 20556), (10278, 20290), (11420, 18261), (12174, 17130)]