55975140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1259}}^1$

素因数の和:1306

約数の個数: 144

約数和(自身を含む): 192628800

約数和(自身を除く): 136653660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 342, 380, 390, 468, 494, 570, 585, 684, 741, 780, 855, 988, 1140, 1170, 1235, 1259, 1482, 1710, 2223, 2340, 2470, 2518, 2964, 3420, 3705, 3777, 4446, 4940, 5036, 6295, 7410, 7554, 8892, 11115, 11331, 12590, 14820, 15108, 16367, 18885, 22230, 22662, 23921, 25180, 32734, 37770, 44460, 45324, 47842, 49101, 56655, 65468, 71763, 75540, 81835, 95684, 98202, 113310, 119605, 143526, 147303, 163670, 196404, 215289, 226620, 239210, 245505, 287052, 294606, 310973, 327340, 358815, 430578, 478420, 491010, 589212, 621946, 717630, 736515, 861156, 932919, 982020, 1076445, 1243892, 1435260, 1473030, 1554865, 1865838, 2152890, 2798757, 2946060, 3109730, 3731676, 4305780, 4664595, 5597514, 6219460, 9329190, 11195028, 13993785, 18658380, 27987570, 55975140]

約数ペア:

[(1, 55975140), (2, 27987570), (3, 18658380), (4, 13993785), (5, 11195028), (6, 9329190), (9, 6219460), (10, 5597514), (12, 4664595), (13, 4305780), (15, 3731676), (18, 3109730), (19, 2946060), (20, 2798757), (26, 2152890), (30, 1865838), (36, 1554865), (38, 1473030), (39, 1435260), (45, 1243892), (52, 1076445), (57, 982020), (60, 932919), (65, 861156), (76, 736515), (78, 717630), (90, 621946), (95, 589212), (114, 491010), (117, 478420), (130, 430578), (156, 358815), (171, 327340), (180, 310973), (190, 294606), (195, 287052), (228, 245505), (234, 239210), (247, 226620), (260, 215289), (285, 196404), (342, 163670), (380, 147303), (390, 143526), (468, 119605), (494, 113310), (570, 98202), (585, 95684), (684, 81835), (741, 75540), (780, 71763), (855, 65468), (988, 56655), (1140, 49101), (1170, 47842), (1235, 45324), (1259, 44460), (1482, 37770), (1710, 32734), (2223, 25180), (2340, 23921), (2470, 22662), (2518, 22230), (2964, 18885), (3420, 16367), (3705, 15108), (3777, 14820), (4446, 12590), (4940, 11331), (5036, 11115), (6295, 8892), (7410, 7554)]