81169830

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{641}}^1$

素因数の和:731

約数の個数: 128

約数和(自身を含む): 251458560

約数和(自身を除く): 170288730

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 67, 70, 90, 105, 126, 134, 135, 189, 201, 210, 270, 315, 335, 378, 402, 469, 603, 630, 641, 670, 938, 945, 1005, 1206, 1282, 1407, 1809, 1890, 1923, 2010, 2345, 2814, 3015, 3205, 3618, 3846, 4221, 4487, 4690, 5769, 6030, 6410, 7035, 8442, 8974, 9045, 9615, 11538, 12663, 13461, 14070, 17307, 18090, 19230, 21105, 22435, 25326, 26922, 28845, 34614, 40383, 42210, 42947, 44870, 57690, 63315, 67305, 80766, 85894, 86535, 121149, 126630, 128841, 134610, 173070, 201915, 214735, 242298, 257682, 300629, 386523, 403830, 429470, 601258, 605745, 644205, 773046, 901887, 1159569, 1211490, 1288410, 1503145, 1803774, 1932615, 2319138, 2705661, 3006290, 3865230, 4509435, 5411322, 5797845, 8116983, 9018870, 11595690, 13528305, 16233966, 27056610, 40584915, 81169830]

約数ペア:

[(1, 81169830), (2, 40584915), (3, 27056610), (5, 16233966), (6, 13528305), (7, 11595690), (9, 9018870), (10, 8116983), (14, 5797845), (15, 5411322), (18, 4509435), (21, 3865230), (27, 3006290), (30, 2705661), (35, 2319138), (42, 1932615), (45, 1803774), (54, 1503145), (63, 1288410), (67, 1211490), (70, 1159569), (90, 901887), (105, 773046), (126, 644205), (134, 605745), (135, 601258), (189, 429470), (201, 403830), (210, 386523), (270, 300629), (315, 257682), (335, 242298), (378, 214735), (402, 201915), (469, 173070), (603, 134610), (630, 128841), (641, 126630), (670, 121149), (938, 86535), (945, 85894), (1005, 80766), (1206, 67305), (1282, 63315), (1407, 57690), (1809, 44870), (1890, 42947), (1923, 42210), (2010, 40383), (2345, 34614), (2814, 28845), (3015, 26922), (3205, 25326), (3618, 22435), (3846, 21105), (4221, 19230), (4487, 18090), (4690, 17307), (5769, 14070), (6030, 13461), (6410, 12663), (7035, 11538), (8442, 9615), (8974, 9045)]