15665075

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:128

約数の個数: 48

約数和(自身を含む): 22498560

約数和(自身を除く): 6833485

約数列:

[1, 5, 17, 25, 29, 31, 41, 85, 145, 155, 205, 425, 493, 527, 697, 725, 775, 899, 1025, 1189, 1271, 2465, 2635, 3485, 4495, 5945, 6355, 12325, 13175, 15283, 17425, 20213, 21607, 22475, 29725, 31775, 36859, 76415, 101065, 108035, 184295, 382075, 505325, 540175, 626603, 921475, 3133015, 15665075]

約数ペア:

[(1, 15665075), (5, 3133015), (17, 921475), (25, 626603), (29, 540175), (31, 505325), (41, 382075), (85, 184295), (145, 108035), (155, 101065), (205, 76415), (425, 36859), (493, 31775), (527, 29725), (697, 22475), (725, 21607), (775, 20213), (899, 17425), (1025, 15283), (1189, 13175), (1271, 12325), (2465, 6355), (2635, 5945), (3485, 4495)]