81590180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{829}}^1$

素因数の和:901

約数の個数: 96

約数和(自身を含む): 211948800

約数和(自身を除く): 130358620

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 37, 38, 70, 74, 76, 95, 133, 140, 148, 185, 190, 259, 266, 370, 380, 518, 532, 665, 703, 740, 829, 1036, 1295, 1330, 1406, 1658, 2590, 2660, 2812, 3316, 3515, 4145, 4921, 5180, 5803, 7030, 8290, 9842, 11606, 14060, 15751, 16580, 19684, 23212, 24605, 29015, 30673, 31502, 49210, 58030, 61346, 63004, 78755, 98420, 110257, 116060, 122692, 153365, 157510, 214711, 220514, 306730, 315020, 429422, 441028, 551285, 582787, 613460, 858844, 1073555, 1102570, 1165574, 2147110, 2205140, 2331148, 2913935, 4079509, 4294220, 5827870, 8159018, 11655740, 16318036, 20397545, 40795090, 81590180]

約数ペア:

[(1, 81590180), (2, 40795090), (4, 20397545), (5, 16318036), (7, 11655740), (10, 8159018), (14, 5827870), (19, 4294220), (20, 4079509), (28, 2913935), (35, 2331148), (37, 2205140), (38, 2147110), (70, 1165574), (74, 1102570), (76, 1073555), (95, 858844), (133, 613460), (140, 582787), (148, 551285), (185, 441028), (190, 429422), (259, 315020), (266, 306730), (370, 220514), (380, 214711), (518, 157510), (532, 153365), (665, 122692), (703, 116060), (740, 110257), (829, 98420), (1036, 78755), (1295, 63004), (1330, 61346), (1406, 58030), (1658, 49210), (2590, 31502), (2660, 30673), (2812, 29015), (3316, 24605), (3515, 23212), (4145, 19684), (4921, 16580), (5180, 15751), (5803, 14060), (7030, 11606), (8290, 9842)]