87326820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{9901}}^1$

素因数の和:9930

約数の個数: 108

約数和(自身を含む): 308170044

約数和(自身を除く): 220843224

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 9901, 19802, 29703, 39604, 49505, 59406, 69307, 89109, 99010, 118812, 138614, 148515, 178218, 198020, 207921, 277228, 297030, 346535, 356436, 415842, 445545, 485149, 594060, 623763, 693070, 831684, 891090, 970298, 1039605, 1247526, 1386140, 1455447, 1782180, 1940596, 2079210, 2425745, 2495052, 2910894, 3118815, 4158420, 4366341, 4851490, 5821788, 6237630, 7277235, 8732682, 9702980, 12475260, 14554470, 17465364, 21831705, 29108940, 43663410, 87326820]

約数ペア:

[(1, 87326820), (2, 43663410), (3, 29108940), (4, 21831705), (5, 17465364), (6, 14554470), (7, 12475260), (9, 9702980), (10, 8732682), (12, 7277235), (14, 6237630), (15, 5821788), (18, 4851490), (20, 4366341), (21, 4158420), (28, 3118815), (30, 2910894), (35, 2495052), (36, 2425745), (42, 2079210), (45, 1940596), (49, 1782180), (60, 1455447), (63, 1386140), (70, 1247526), (84, 1039605), (90, 970298), (98, 891090), (105, 831684), (126, 693070), (140, 623763), (147, 594060), (180, 485149), (196, 445545), (210, 415842), (245, 356436), (252, 346535), (294, 297030), (315, 277228), (420, 207921), (441, 198020), (490, 178218), (588, 148515), (630, 138614), (735, 118812), (882, 99010), (980, 89109), (1260, 69307), (1470, 59406), (1764, 49505), (2205, 39604), (2940, 29703), (4410, 19802), (8820, 9901)]