81827270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{233}}^1$

素因数の和:449

約数の個数: 64

約数和(自身を含む): 175893120

約数和(自身を除く): 94065850

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 173, 203, 233, 290, 346, 406, 466, 865, 1015, 1165, 1211, 1631, 1730, 2030, 2330, 2422, 3262, 5017, 6055, 6757, 8155, 10034, 12110, 13514, 16310, 25085, 33785, 35119, 40309, 47299, 50170, 67570, 70238, 80618, 94598, 175595, 201545, 236495, 282163, 351190, 403090, 472990, 564326, 1168961, 1410815, 2337922, 2821630, 5844805, 8182727, 11689610, 16365454, 40913635, 81827270]

約数ペア:

[(1, 81827270), (2, 40913635), (5, 16365454), (7, 11689610), (10, 8182727), (14, 5844805), (29, 2821630), (35, 2337922), (58, 1410815), (70, 1168961), (145, 564326), (173, 472990), (203, 403090), (233, 351190), (290, 282163), (346, 236495), (406, 201545), (466, 175595), (865, 94598), (1015, 80618), (1165, 70238), (1211, 67570), (1631, 50170), (1730, 47299), (2030, 40309), (2330, 35119), (2422, 33785), (3262, 25085), (5017, 16310), (6055, 13514), (6757, 12110), (8155, 10034)]