31456590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1$

素因数の和:242

約数の個数: 128

約数和(自身を含む): 90201600

約数和(自身を除く): 58745010

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 19, 22, 29, 30, 33, 38, 55, 57, 58, 66, 87, 95, 110, 114, 145, 165, 173, 174, 190, 209, 285, 290, 319, 330, 346, 418, 435, 519, 551, 570, 627, 638, 865, 870, 957, 1038, 1045, 1102, 1254, 1595, 1653, 1730, 1903, 1914, 2090, 2595, 2755, 3135, 3190, 3287, 3306, 3806, 4785, 5017, 5190, 5510, 5709, 6061, 6270, 6574, 8265, 9515, 9570, 9861, 10034, 11418, 12122, 15051, 16435, 16530, 18183, 19030, 19722, 25085, 28545, 30102, 30305, 32870, 36157, 36366, 49305, 50170, 55187, 57090, 60610, 72314, 75255, 90915, 95323, 98610, 108471, 110374, 150510, 165561, 180785, 181830, 190646, 216942, 275935, 285969, 331122, 361570, 476615, 542355, 551870, 571938, 827805, 953230, 1048553, 1084710, 1429845, 1655610, 2097106, 2859690, 3145659, 5242765, 6291318, 10485530, 15728295, 31456590]

約数ペア:

[(1, 31456590), (2, 15728295), (3, 10485530), (5, 6291318), (6, 5242765), (10, 3145659), (11, 2859690), (15, 2097106), (19, 1655610), (22, 1429845), (29, 1084710), (30, 1048553), (33, 953230), (38, 827805), (55, 571938), (57, 551870), (58, 542355), (66, 476615), (87, 361570), (95, 331122), (110, 285969), (114, 275935), (145, 216942), (165, 190646), (173, 181830), (174, 180785), (190, 165561), (209, 150510), (285, 110374), (290, 108471), (319, 98610), (330, 95323), (346, 90915), (418, 75255), (435, 72314), (519, 60610), (551, 57090), (570, 55187), (627, 50170), (638, 49305), (865, 36366), (870, 36157), (957, 32870), (1038, 30305), (1045, 30102), (1102, 28545), (1254, 25085), (1595, 19722), (1653, 19030), (1730, 18183), (1903, 16530), (1914, 16435), (2090, 15051), (2595, 12122), (2755, 11418), (3135, 10034), (3190, 9861), (3287, 9570), (3306, 9515), (3806, 8265), (4785, 6574), (5017, 6270), (5190, 6061), (5510, 5709)]