1639216080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{55529}}^1$

素因数の和:55589

約数の個数: 120

約数和(自身を含む): 5639404680

約数和(自身を除く): 4000188600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 41, 45, 48, 60, 72, 80, 82, 90, 120, 123, 144, 164, 180, 205, 240, 246, 328, 360, 369, 410, 492, 615, 656, 720, 738, 820, 984, 1230, 1476, 1640, 1845, 1968, 2460, 2952, 3280, 3690, 4920, 5904, 7380, 9840, 14760, 29520, 55529, 111058, 166587, 222116, 277645, 333174, 444232, 499761, 555290, 666348, 832935, 888464, 999522, 1110580, 1332696, 1665870, 1999044, 2221160, 2276689, 2498805, 2665392, 3331740, 3998088, 4442320, 4553378, 4997610, 6663480, 6830067, 7996176, 9106756, 9995220, 11383445, 13326960, 13660134, 18213512, 19990440, 20490201, 22766890, 27320268, 34150335, 36427024, 39980880, 40980402, 45533780, 54640536, 68300670, 81960804, 91067560, 102451005, 109281072, 136601340, 163921608, 182135120, 204902010, 273202680, 327843216, 409804020, 546405360, 819608040, 1639216080]

約数ペア:

[(1, 1639216080), (2, 819608040), (3, 546405360), (4, 409804020), (5, 327843216), (6, 273202680), (8, 204902010), (9, 182135120), (10, 163921608), (12, 136601340), (15, 109281072), (16, 102451005), (18, 91067560), (20, 81960804), (24, 68300670), (30, 54640536), (36, 45533780), (40, 40980402), (41, 39980880), (45, 36427024), (48, 34150335), (60, 27320268), (72, 22766890), (80, 20490201), (82, 19990440), (90, 18213512), (120, 13660134), (123, 13326960), (144, 11383445), (164, 9995220), (180, 9106756), (205, 7996176), (240, 6830067), (246, 6663480), (328, 4997610), (360, 4553378), (369, 4442320), (410, 3998088), (492, 3331740), (615, 2665392), (656, 2498805), (720, 2276689), (738, 2221160), (820, 1999044), (984, 1665870), (1230, 1332696), (1476, 1110580), (1640, 999522), (1845, 888464), (1968, 832935), (2460, 666348), (2952, 555290), (3280, 499761), (3690, 444232), (4920, 333174), (5904, 277645), (7380, 222116), (9840, 166587), (14760, 111058), (29520, 55529)]