61478885

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:158

約数の個数: 64

約数和(自身を含む): 91445760

約数和(自身を除く): 29966875

約数列:

[1, 5, 13, 17, 23, 41, 59, 65, 85, 115, 205, 221, 295, 299, 391, 533, 697, 767, 943, 1003, 1105, 1357, 1495, 1955, 2419, 2665, 3485, 3835, 4715, 5015, 5083, 6785, 9061, 12095, 12259, 13039, 16031, 17641, 23069, 25415, 31447, 41123, 45305, 55637, 61295, 65195, 80155, 88205, 115345, 157235, 205615, 208403, 278185, 299897, 534599, 723281, 945829, 1042015, 1499485, 2672995, 3616405, 4729145, 12295777, 61478885]

約数ペア:

[(1, 61478885), (5, 12295777), (13, 4729145), (17, 3616405), (23, 2672995), (41, 1499485), (59, 1042015), (65, 945829), (85, 723281), (115, 534599), (205, 299897), (221, 278185), (295, 208403), (299, 205615), (391, 157235), (533, 115345), (697, 88205), (767, 80155), (943, 65195), (1003, 61295), (1105, 55637), (1357, 45305), (1495, 41123), (1955, 31447), (2419, 25415), (2665, 23069), (3485, 17641), (3835, 16031), (4715, 13039), (5015, 12259), (5083, 12095), (6785, 9061)]