172327740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{220933}}^1$

素因数の和:220958

約数の個数: 48

約数和(自身を含む): 519636768

約数和(自身を除く): 347309028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 220933, 441866, 662799, 883732, 1104665, 1325598, 2209330, 2651196, 2872129, 3313995, 4418660, 5744258, 6627990, 8616387, 11488516, 13255980, 14360645, 17232774, 28721290, 34465548, 43081935, 57442580, 86163870, 172327740]

約数ペア:

[(1, 172327740), (2, 86163870), (3, 57442580), (4, 43081935), (5, 34465548), (6, 28721290), (10, 17232774), (12, 14360645), (13, 13255980), (15, 11488516), (20, 8616387), (26, 6627990), (30, 5744258), (39, 4418660), (52, 3313995), (60, 2872129), (65, 2651196), (78, 2209330), (130, 1325598), (156, 1104665), (195, 883732), (260, 662799), (390, 441866), (780, 220933)]