15660031788

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{1151}}^1\times {\mathrm{5323}}^1$

素因数の和:6555

約数の個数: 72

約数和(自身を含む): 40185040896

約数和(自身を除く): 24525009108

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1151, 1278, 2302, 2556, 3453, 4604, 5323, 6906, 10359, 10646, 13812, 15969, 20718, 21292, 31938, 41436, 47907, 63876, 81721, 95814, 163442, 191628, 245163, 326884, 377933, 490326, 735489, 755866, 980652, 1133799, 1470978, 1511732, 2267598, 2941956, 3401397, 4535196, 6126773, 6802794, 12253546, 13605588, 18380319, 24507092, 36760638, 55140957, 73521276, 110281914, 220563828, 435000883, 870001766, 1305002649, 1740003532, 2610005298, 3915007947, 5220010596, 7830015894, 15660031788]

約数ペア:

[(1, 15660031788), (2, 7830015894), (3, 5220010596), (4, 3915007947), (6, 2610005298), (9, 1740003532), (12, 1305002649), (18, 870001766), (36, 435000883), (71, 220563828), (142, 110281914), (213, 73521276), (284, 55140957), (426, 36760638), (639, 24507092), (852, 18380319), (1151, 13605588), (1278, 12253546), (2302, 6802794), (2556, 6126773), (3453, 4535196), (4604, 3401397), (5323, 2941956), (6906, 2267598), (10359, 1511732), (10646, 1470978), (13812, 1133799), (15969, 980652), (20718, 755866), (21292, 735489), (31938, 490326), (41436, 377933), (47907, 326884), (63876, 245163), (81721, 191628), (95814, 163442)]