25441080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{977}}^1$

素因数の和:1029

約数の個数: 128

約数和(自身を含む): 90132480

約数和(自身を除く): 64691400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 977, 1085, 1240, 1302, 1736, 1860, 1954, 2170, 2604, 2931, 3255, 3720, 3908, 4340, 4885, 5208, 5862, 6510, 6839, 7816, 8680, 9770, 11724, 13020, 13678, 14655, 19540, 20517, 23448, 26040, 27356, 29310, 30287, 34195, 39080, 41034, 54712, 58620, 60574, 68390, 82068, 90861, 102585, 117240, 121148, 136780, 151435, 164136, 181722, 205170, 212009, 242296, 273560, 302870, 363444, 410340, 424018, 454305, 605740, 636027, 726888, 820680, 848036, 908610, 1060045, 1211480, 1272054, 1696072, 1817220, 2120090, 2544108, 3180135, 3634440, 4240180, 5088216, 6360270, 8480360, 12720540, 25441080]

約数ペア:

[(1, 25441080), (2, 12720540), (3, 8480360), (4, 6360270), (5, 5088216), (6, 4240180), (7, 3634440), (8, 3180135), (10, 2544108), (12, 2120090), (14, 1817220), (15, 1696072), (20, 1272054), (21, 1211480), (24, 1060045), (28, 908610), (30, 848036), (31, 820680), (35, 726888), (40, 636027), (42, 605740), (56, 454305), (60, 424018), (62, 410340), (70, 363444), (84, 302870), (93, 273560), (105, 242296), (120, 212009), (124, 205170), (140, 181722), (155, 164136), (168, 151435), (186, 136780), (210, 121148), (217, 117240), (248, 102585), (280, 90861), (310, 82068), (372, 68390), (420, 60574), (434, 58620), (465, 54712), (620, 41034), (651, 39080), (744, 34195), (840, 30287), (868, 29310), (930, 27356), (977, 26040), (1085, 23448), (1240, 20517), (1302, 19540), (1736, 14655), (1860, 13678), (1954, 13020), (2170, 11724), (2604, 9770), (2931, 8680), (3255, 7816), (3720, 6839), (3908, 6510), (4340, 5862), (4885, 5208)]