213252660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{40853}}^1$

素因数の和:40897

約数の個数: 72

約数和(自身を含む): 669188520

約数和(自身を除く): 455935860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 40853, 81706, 122559, 163412, 204265, 245118, 367677, 408530, 490236, 612795, 735354, 817060, 1184737, 1225590, 1470708, 1838385, 2369474, 2451180, 3554211, 3676770, 4738948, 5923685, 7108422, 7353540, 10662633, 11847370, 14216844, 17771055, 21325266, 23694740, 35542110, 42650532, 53313165, 71084220, 106626330, 213252660]

約数ペア:

[(1, 213252660), (2, 106626330), (3, 71084220), (4, 53313165), (5, 42650532), (6, 35542110), (9, 23694740), (10, 21325266), (12, 17771055), (15, 14216844), (18, 11847370), (20, 10662633), (29, 7353540), (30, 7108422), (36, 5923685), (45, 4738948), (58, 3676770), (60, 3554211), (87, 2451180), (90, 2369474), (116, 1838385), (145, 1470708), (174, 1225590), (180, 1184737), (261, 817060), (290, 735354), (348, 612795), (435, 490236), (522, 408530), (580, 367677), (870, 245118), (1044, 204265), (1305, 163412), (1740, 122559), (2610, 81706), (5220, 40853)]