161777440

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{5407}}^1$

素因数の和:5450

約数の個数: 96

約数和(自身を含む): 441552384

約数和(自身を除く): 279774944

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, 680, 748, 880, 935, 1360, 1496, 1760, 1870, 2720, 2992, 3740, 5407, 5984, 7480, 10814, 14960, 21628, 27035, 29920, 43256, 54070, 59477, 86512, 91919, 108140, 118954, 173024, 183838, 216280, 237908, 297385, 367676, 432560, 459595, 475816, 594770, 735352, 865120, 919190, 951632, 1011109, 1189540, 1470704, 1838380, 1903264, 2022218, 2379080, 2941408, 3676760, 4044436, 4758160, 5055545, 7353520, 8088872, 9516320, 10111090, 14707040, 16177744, 20222180, 32355488, 40444360, 80888720, 161777440]

約数ペア:

[(1, 161777440), (2, 80888720), (4, 40444360), (5, 32355488), (8, 20222180), (10, 16177744), (11, 14707040), (16, 10111090), (17, 9516320), (20, 8088872), (22, 7353520), (32, 5055545), (34, 4758160), (40, 4044436), (44, 3676760), (55, 2941408), (68, 2379080), (80, 2022218), (85, 1903264), (88, 1838380), (110, 1470704), (136, 1189540), (160, 1011109), (170, 951632), (176, 919190), (187, 865120), (220, 735352), (272, 594770), (340, 475816), (352, 459595), (374, 432560), (440, 367676), (544, 297385), (680, 237908), (748, 216280), (880, 183838), (935, 173024), (1360, 118954), (1496, 108140), (1760, 91919), (1870, 86512), (2720, 59477), (2992, 54070), (3740, 43256), (5407, 29920), (5984, 27035), (7480, 21628), (10814, 14960)]