15979460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{727}}^1$

素因数の和:900

約数の個数: 48

約数和(自身を含む): 38648064

約数和(自身を除く): 22668604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 727, 785, 1099, 1454, 1570, 2198, 2908, 3140, 3635, 4396, 5089, 5495, 7270, 10178, 10990, 14540, 20356, 21980, 25445, 50890, 101780, 114139, 228278, 456556, 570695, 798973, 1141390, 1597946, 2282780, 3195892, 3994865, 7989730, 15979460]

約数ペア:

[(1, 15979460), (2, 7989730), (4, 3994865), (5, 3195892), (7, 2282780), (10, 1597946), (14, 1141390), (20, 798973), (28, 570695), (35, 456556), (70, 228278), (140, 114139), (157, 101780), (314, 50890), (628, 25445), (727, 21980), (785, 20356), (1099, 14540), (1454, 10990), (1570, 10178), (2198, 7270), (2908, 5495), (3140, 5089), (3635, 4396)]