215538540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{2659}}^1$

素因数の和:2871

約数の個数: 96

約数和(自身を含む): 693557760

約数和(自身を除く): 478019220

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 193, 210, 386, 420, 579, 772, 965, 1158, 1351, 1930, 2316, 2659, 2702, 2895, 3860, 4053, 5318, 5404, 5790, 6755, 7977, 8106, 10636, 11580, 13295, 13510, 15954, 16212, 18613, 20265, 26590, 27020, 31908, 37226, 39885, 40530, 53180, 55839, 74452, 79770, 81060, 93065, 111678, 159540, 186130, 223356, 279195, 372260, 513187, 558390, 1026374, 1116780, 1539561, 2052748, 2565935, 3079122, 3592309, 5131870, 6158244, 7184618, 7697805, 10263740, 10776927, 14369236, 15395610, 17961545, 21553854, 30791220, 35923090, 43107708, 53884635, 71846180, 107769270, 215538540]

約数ペア:

[(1, 215538540), (2, 107769270), (3, 71846180), (4, 53884635), (5, 43107708), (6, 35923090), (7, 30791220), (10, 21553854), (12, 17961545), (14, 15395610), (15, 14369236), (20, 10776927), (21, 10263740), (28, 7697805), (30, 7184618), (35, 6158244), (42, 5131870), (60, 3592309), (70, 3079122), (84, 2565935), (105, 2052748), (140, 1539561), (193, 1116780), (210, 1026374), (386, 558390), (420, 513187), (579, 372260), (772, 279195), (965, 223356), (1158, 186130), (1351, 159540), (1930, 111678), (2316, 93065), (2659, 81060), (2702, 79770), (2895, 74452), (3860, 55839), (4053, 53180), (5318, 40530), (5404, 39885), (5790, 37226), (6755, 31908), (7977, 27020), (8106, 26590), (10636, 20265), (11580, 18613), (13295, 16212), (13510, 15954)]