78786160

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3049}}^1$

素因数の和:3098

約数の個数: 80

約数和(自身を含む): 204228000

約数和(自身を除く): 125441840

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 272, 304, 323, 340, 380, 646, 680, 760, 1292, 1360, 1520, 1615, 2584, 3049, 3230, 5168, 6098, 6460, 12196, 12920, 15245, 24392, 25840, 30490, 48784, 51833, 57931, 60980, 103666, 115862, 121960, 207332, 231724, 243920, 259165, 289655, 414664, 463448, 518330, 579310, 829328, 926896, 984827, 1036660, 1158620, 1969654, 2073320, 2317240, 3939308, 4146640, 4634480, 4924135, 7878616, 9848270, 15757232, 19696540, 39393080, 78786160]

約数ペア:

[(1, 78786160), (2, 39393080), (4, 19696540), (5, 15757232), (8, 9848270), (10, 7878616), (16, 4924135), (17, 4634480), (19, 4146640), (20, 3939308), (34, 2317240), (38, 2073320), (40, 1969654), (68, 1158620), (76, 1036660), (80, 984827), (85, 926896), (95, 829328), (136, 579310), (152, 518330), (170, 463448), (190, 414664), (272, 289655), (304, 259165), (323, 243920), (340, 231724), (380, 207332), (646, 121960), (680, 115862), (760, 103666), (1292, 60980), (1360, 57931), (1520, 51833), (1615, 48784), (2584, 30490), (3049, 25840), (3230, 24392), (5168, 15245), (6098, 12920), (6460, 12196)]