18664730280

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{7406639}}^1$

素因数の和:7406663

約数の個数: 96

約数和(自身を含む): 69326150400

約数和(自身を除く): 50661420120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 7406639, 14813278, 22219917, 29626556, 37033195, 44439834, 51846473, 59253112, 66659751, 74066390, 88879668, 103692946, 111099585, 133319502, 148132780, 155539419, 177759336, 207385892, 222199170, 259232365, 266639004, 296265560, 311078838, 333298755, 414771784, 444398340, 466618257, 518464730, 533278008, 622157676, 666597510, 777697095, 888796680, 933236514, 1036929460, 1244315352, 1333195020, 1555394190, 1866473028, 2073858920, 2333091285, 2666390040, 3110788380, 3732946056, 4666182570, 6221576760, 9332365140, 18664730280]

約数ペア:

[(1, 18664730280), (2, 9332365140), (3, 6221576760), (4, 4666182570), (5, 3732946056), (6, 3110788380), (7, 2666390040), (8, 2333091285), (9, 2073858920), (10, 1866473028), (12, 1555394190), (14, 1333195020), (15, 1244315352), (18, 1036929460), (20, 933236514), (21, 888796680), (24, 777697095), (28, 666597510), (30, 622157676), (35, 533278008), (36, 518464730), (40, 466618257), (42, 444398340), (45, 414771784), (56, 333298755), (60, 311078838), (63, 296265560), (70, 266639004), (72, 259232365), (84, 222199170), (90, 207385892), (105, 177759336), (120, 155539419), (126, 148132780), (140, 133319502), (168, 111099585), (180, 103692946), (210, 88879668), (252, 74066390), (280, 66659751), (315, 59253112), (360, 51846473), (420, 44439834), (504, 37033195), (630, 29626556), (840, 22219917), (1260, 14813278), (2520, 7406639)]