15080725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 22141440

約数和(自身を除く): 7060715

約数列:

[1, 5, 11, 25, 29, 31, 55, 61, 145, 155, 275, 305, 319, 341, 671, 725, 775, 899, 1525, 1595, 1705, 1769, 1891, 3355, 4495, 7975, 8525, 8845, 9455, 9889, 16775, 19459, 20801, 22475, 44225, 47275, 49445, 54839, 97295, 104005, 247225, 274195, 486475, 520025, 603229, 1370975, 3016145, 15080725]

約数ペア:

[(1, 15080725), (5, 3016145), (11, 1370975), (25, 603229), (29, 520025), (31, 486475), (55, 274195), (61, 247225), (145, 104005), (155, 97295), (275, 54839), (305, 49445), (319, 47275), (341, 44225), (671, 22475), (725, 20801), (775, 19459), (899, 16775), (1525, 9889), (1595, 9455), (1705, 8845), (1769, 8525), (1891, 7975), (3355, 4495)]