81674730

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:131

約数の個数: 192

約数和(自身を含む): 243734400

約数和(自身を除く): 162059670

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 29, 30, 38, 45, 54, 57, 58, 61, 81, 87, 90, 95, 114, 122, 135, 145, 162, 171, 174, 183, 190, 243, 261, 270, 285, 290, 305, 342, 366, 405, 435, 486, 513, 522, 549, 551, 570, 610, 783, 810, 855, 870, 915, 1026, 1098, 1102, 1159, 1215, 1305, 1539, 1566, 1647, 1653, 1710, 1769, 1830, 2318, 2349, 2430, 2565, 2610, 2745, 2755, 3078, 3294, 3306, 3477, 3538, 3915, 4617, 4698, 4941, 4959, 5130, 5307, 5490, 5510, 5795, 6954, 7047, 7695, 7830, 8235, 8265, 8845, 9234, 9882, 9918, 10431, 10614, 11590, 11745, 14094, 14823, 14877, 15390, 15921, 16470, 16530, 17385, 17690, 20862, 23085, 23490, 24705, 24795, 26535, 29646, 29754, 31293, 31842, 33611, 34770, 35235, 44631, 46170, 47763, 49410, 49590, 52155, 53070, 62586, 67222, 70470, 74115, 74385, 79605, 89262, 93879, 95526, 100833, 104310, 133893, 143289, 148230, 148770, 156465, 159210, 168055, 187758, 201666, 223155, 238815, 267786, 281637, 286578, 302499, 312930, 336110, 429867, 446310, 469395, 477630, 504165, 563274, 604998, 669465, 716445, 859734, 907497, 938790, 1008330, 1338930, 1408185, 1432890, 1512495, 1814994, 2149335, 2722491, 2816370, 3024990, 4298670, 4537485, 5444982, 8167473, 9074970, 13612455, 16334946, 27224910, 40837365, 81674730]

約数ペア:

[(1, 81674730), (2, 40837365), (3, 27224910), (5, 16334946), (6, 13612455), (9, 9074970), (10, 8167473), (15, 5444982), (18, 4537485), (19, 4298670), (27, 3024990), (29, 2816370), (30, 2722491), (38, 2149335), (45, 1814994), (54, 1512495), (57, 1432890), (58, 1408185), (61, 1338930), (81, 1008330), (87, 938790), (90, 907497), (95, 859734), (114, 716445), (122, 669465), (135, 604998), (145, 563274), (162, 504165), (171, 477630), (174, 469395), (183, 446310), (190, 429867), (243, 336110), (261, 312930), (270, 302499), (285, 286578), (290, 281637), (305, 267786), (342, 238815), (366, 223155), (405, 201666), (435, 187758), (486, 168055), (513, 159210), (522, 156465), (549, 148770), (551, 148230), (570, 143289), (610, 133893), (783, 104310), (810, 100833), (855, 95526), (870, 93879), (915, 89262), (1026, 79605), (1098, 74385), (1102, 74115), (1159, 70470), (1215, 67222), (1305, 62586), (1539, 53070), (1566, 52155), (1647, 49590), (1653, 49410), (1710, 47763), (1769, 46170), (1830, 44631), (2318, 35235), (2349, 34770), (2430, 33611), (2565, 31842), (2610, 31293), (2745, 29754), (2755, 29646), (3078, 26535), (3294, 24795), (3306, 24705), (3477, 23490), (3538, 23085), (3915, 20862), (4617, 17690), (4698, 17385), (4941, 16530), (4959, 16470), (5130, 15921), (5307, 15390), (5490, 14877), (5510, 14823), (5795, 14094), (6954, 11745), (7047, 11590), (7695, 10614), (7830, 10431), (8235, 9918), (8265, 9882), (8845, 9234)]