18161440

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{607}}^1$

素因数の和:650

約数の個数: 96

約数和(自身を含む): 49641984

約数和(自身を除く): 31480544

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 160, 170, 176, 187, 220, 272, 340, 352, 374, 440, 544, 607, 680, 748, 880, 935, 1214, 1360, 1496, 1760, 1870, 2428, 2720, 2992, 3035, 3740, 4856, 5984, 6070, 6677, 7480, 9712, 10319, 12140, 13354, 14960, 19424, 20638, 24280, 26708, 29920, 33385, 41276, 48560, 51595, 53416, 66770, 82552, 97120, 103190, 106832, 113509, 133540, 165104, 206380, 213664, 227018, 267080, 330208, 412760, 454036, 534160, 567545, 825520, 908072, 1068320, 1135090, 1651040, 1816144, 2270180, 3632288, 4540360, 9080720, 18161440]

約数ペア:

[(1, 18161440), (2, 9080720), (4, 4540360), (5, 3632288), (8, 2270180), (10, 1816144), (11, 1651040), (16, 1135090), (17, 1068320), (20, 908072), (22, 825520), (32, 567545), (34, 534160), (40, 454036), (44, 412760), (55, 330208), (68, 267080), (80, 227018), (85, 213664), (88, 206380), (110, 165104), (136, 133540), (160, 113509), (170, 106832), (176, 103190), (187, 97120), (220, 82552), (272, 66770), (340, 53416), (352, 51595), (374, 48560), (440, 41276), (544, 33385), (607, 29920), (680, 26708), (748, 24280), (880, 20638), (935, 19424), (1214, 14960), (1360, 13354), (1496, 12140), (1760, 10319), (1870, 9712), (2428, 7480), (2720, 6677), (2992, 6070), (3035, 5984), (3740, 4856)]