206551440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{6997}}^1$

素因数の和:7057

約数の個数: 120

約数和(自身を含む): 710688888

約数和(自身を除く): 504137448

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, 6997, 7380, 9840, 13994, 14760, 20991, 27988, 29520, 34985, 41982, 55976, 62973, 69970, 83964, 104955, 111952, 125946, 139940, 167928, 209910, 251892, 279880, 286877, 314865, 335856, 419820, 503784, 559760, 573754, 629730, 839640, 860631, 1007568, 1147508, 1259460, 1434385, 1679280, 1721262, 2295016, 2518920, 2581893, 2868770, 3442524, 4303155, 4590032, 5037840, 5163786, 5737540, 6885048, 8606310, 10327572, 11475080, 12909465, 13770096, 17212620, 20655144, 22950160, 25818930, 34425240, 41310288, 51637860, 68850480, 103275720, 206551440]

約数ペア:

[(1, 206551440), (2, 103275720), (3, 68850480), (4, 51637860), (5, 41310288), (6, 34425240), (8, 25818930), (9, 22950160), (10, 20655144), (12, 17212620), (15, 13770096), (16, 12909465), (18, 11475080), (20, 10327572), (24, 8606310), (30, 6885048), (36, 5737540), (40, 5163786), (41, 5037840), (45, 4590032), (48, 4303155), (60, 3442524), (72, 2868770), (80, 2581893), (82, 2518920), (90, 2295016), (120, 1721262), (123, 1679280), (144, 1434385), (164, 1259460), (180, 1147508), (205, 1007568), (240, 860631), (246, 839640), (328, 629730), (360, 573754), (369, 559760), (410, 503784), (492, 419820), (615, 335856), (656, 314865), (720, 286877), (738, 279880), (820, 251892), (984, 209910), (1230, 167928), (1476, 139940), (1640, 125946), (1845, 111952), (1968, 104955), (2460, 83964), (2952, 69970), (3280, 62973), (3690, 55976), (4920, 41982), (5904, 34985), (6997, 29520), (7380, 27988), (9840, 20991), (13994, 14760)]