42931280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2473}}^1$

素因数の和:2524

約数の個数: 80

約数和(自身を含む): 117801984

約数和(自身を除く): 74870704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2473, 2480, 3472, 4340, 4946, 8680, 9892, 12365, 17311, 17360, 19784, 24730, 34622, 39568, 49460, 69244, 76663, 86555, 98920, 138488, 153326, 173110, 197840, 276976, 306652, 346220, 383315, 536641, 613304, 692440, 766630, 1073282, 1226608, 1384880, 1533260, 2146564, 2683205, 3066520, 4293128, 5366410, 6133040, 8586256, 10732820, 21465640, 42931280]

約数ペア:

[(1, 42931280), (2, 21465640), (4, 10732820), (5, 8586256), (7, 6133040), (8, 5366410), (10, 4293128), (14, 3066520), (16, 2683205), (20, 2146564), (28, 1533260), (31, 1384880), (35, 1226608), (40, 1073282), (56, 766630), (62, 692440), (70, 613304), (80, 536641), (112, 383315), (124, 346220), (140, 306652), (155, 276976), (217, 197840), (248, 173110), (280, 153326), (310, 138488), (434, 98920), (496, 86555), (560, 76663), (620, 69244), (868, 49460), (1085, 39568), (1240, 34622), (1736, 24730), (2170, 19784), (2473, 17360), (2480, 17311), (3472, 12365), (4340, 9892), (4946, 8680)]