61720490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{619}}^1$

素因数の和:711

約数の個数: 48

約数和(自身を含む): 122536800

約数和(自身を除く): 60816310

約数列:

[1, 2, 5, 10, 13, 26, 59, 65, 118, 130, 169, 295, 338, 590, 619, 767, 845, 1238, 1534, 1690, 3095, 3835, 6190, 7670, 8047, 9971, 16094, 19942, 36521, 40235, 49855, 73042, 80470, 99710, 104611, 182605, 209222, 365210, 474773, 523055, 949546, 1046110, 2373865, 4747730, 6172049, 12344098, 30860245, 61720490]

約数ペア:

[(1, 61720490), (2, 30860245), (5, 12344098), (10, 6172049), (13, 4747730), (26, 2373865), (59, 1046110), (65, 949546), (118, 523055), (130, 474773), (169, 365210), (295, 209222), (338, 182605), (590, 104611), (619, 99710), (767, 80470), (845, 73042), (1238, 49855), (1534, 40235), (1690, 36521), (3095, 19942), (3835, 16094), (6190, 9971), (7670, 8047)]