12301780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{569}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 27578880

約数和(自身を除く): 15277100

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 230, 235, 460, 470, 569, 940, 1081, 1138, 2162, 2276, 2845, 4324, 5405, 5690, 10810, 11380, 13087, 21620, 26174, 26743, 52348, 53486, 65435, 106972, 130870, 133715, 261740, 267430, 534860, 615089, 1230178, 2460356, 3075445, 6150890, 12301780]

約数ペア:

[(1, 12301780), (2, 6150890), (4, 3075445), (5, 2460356), (10, 1230178), (20, 615089), (23, 534860), (46, 267430), (47, 261740), (92, 133715), (94, 130870), (115, 106972), (188, 65435), (230, 53486), (235, 52348), (460, 26743), (470, 26174), (569, 21620), (940, 13087), (1081, 11380), (1138, 10810), (2162, 5690), (2276, 5405), (2845, 4324)]