19745160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9679}}^1$

素因数の和:9710

約数の個数: 64

約数和(自身を含む): 62726400

約数和(自身を除く): 42981240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 9679, 19358, 29037, 38716, 48395, 58074, 77432, 96790, 116148, 145185, 164543, 193580, 232296, 290370, 329086, 387160, 493629, 580740, 658172, 822715, 987258, 1161480, 1316344, 1645430, 1974516, 2468145, 3290860, 3949032, 4936290, 6581720, 9872580, 19745160]

約数ペア:

[(1, 19745160), (2, 9872580), (3, 6581720), (4, 4936290), (5, 3949032), (6, 3290860), (8, 2468145), (10, 1974516), (12, 1645430), (15, 1316344), (17, 1161480), (20, 987258), (24, 822715), (30, 658172), (34, 580740), (40, 493629), (51, 387160), (60, 329086), (68, 290370), (85, 232296), (102, 193580), (120, 164543), (136, 145185), (170, 116148), (204, 96790), (255, 77432), (340, 58074), (408, 48395), (510, 38716), (680, 29037), (1020, 19358), (2040, 9679)]