81195408

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{739}}^1$

素因数の和:869

約数の個数: 120

約数和(自身を含む): 262433600

約数和(自身を除く): 181238192

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 109, 112, 126, 144, 168, 218, 252, 327, 336, 436, 504, 654, 739, 763, 872, 981, 1008, 1308, 1478, 1526, 1744, 1962, 2217, 2289, 2616, 2956, 3052, 3924, 4434, 4578, 5173, 5232, 5912, 6104, 6651, 6867, 7848, 8868, 9156, 10346, 11824, 12208, 13302, 13734, 15519, 15696, 17736, 18312, 20692, 26604, 27468, 31038, 35472, 36624, 41384, 46557, 53208, 54936, 62076, 80551, 82768, 93114, 106416, 109872, 124152, 161102, 186228, 241653, 248304, 322204, 372456, 483306, 563857, 644408, 724959, 744912, 966612, 1127714, 1288816, 1449918, 1691571, 1933224, 2255428, 2899836, 3383142, 3866448, 4510856, 5074713, 5799672, 6766284, 9021712, 10149426, 11599344, 13532568, 20298852, 27065136, 40597704, 81195408]

約数ペア:

[(1, 81195408), (2, 40597704), (3, 27065136), (4, 20298852), (6, 13532568), (7, 11599344), (8, 10149426), (9, 9021712), (12, 6766284), (14, 5799672), (16, 5074713), (18, 4510856), (21, 3866448), (24, 3383142), (28, 2899836), (36, 2255428), (42, 1933224), (48, 1691571), (56, 1449918), (63, 1288816), (72, 1127714), (84, 966612), (109, 744912), (112, 724959), (126, 644408), (144, 563857), (168, 483306), (218, 372456), (252, 322204), (327, 248304), (336, 241653), (436, 186228), (504, 161102), (654, 124152), (739, 109872), (763, 106416), (872, 93114), (981, 82768), (1008, 80551), (1308, 62076), (1478, 54936), (1526, 53208), (1744, 46557), (1962, 41384), (2217, 36624), (2289, 35472), (2616, 31038), (2956, 27468), (3052, 26604), (3924, 20692), (4434, 18312), (4578, 17736), (5173, 15696), (5232, 15519), (5912, 13734), (6104, 13302), (6651, 12208), (6867, 11824), (7848, 10346), (8868, 9156)]