820737720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{207257}}^1$

素因数の和:207285

約数の個数: 96

約数和(自身を含む): 2909902320

約数和(自身を除く): 2089164600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 207257, 414514, 621771, 829028, 1036285, 1243542, 1658056, 1865313, 2072570, 2279827, 2487084, 3108855, 3730626, 4145140, 4559654, 4974168, 6217710, 6839481, 7461252, 8290280, 9119308, 9326565, 11399135, 12435420, 13678962, 14922504, 18238616, 18653130, 20518443, 22798270, 24870840, 27357924, 34197405, 37306260, 41036886, 45596540, 54715848, 68394810, 74612520, 82073772, 91193080, 102592215, 136789620, 164147544, 205184430, 273579240, 410368860, 820737720]

約数ペア:

[(1, 820737720), (2, 410368860), (3, 273579240), (4, 205184430), (5, 164147544), (6, 136789620), (8, 102592215), (9, 91193080), (10, 82073772), (11, 74612520), (12, 68394810), (15, 54715848), (18, 45596540), (20, 41036886), (22, 37306260), (24, 34197405), (30, 27357924), (33, 24870840), (36, 22798270), (40, 20518443), (44, 18653130), (45, 18238616), (55, 14922504), (60, 13678962), (66, 12435420), (72, 11399135), (88, 9326565), (90, 9119308), (99, 8290280), (110, 7461252), (120, 6839481), (132, 6217710), (165, 4974168), (180, 4559654), (198, 4145140), (220, 3730626), (264, 3108855), (330, 2487084), (360, 2279827), (396, 2072570), (440, 1865313), (495, 1658056), (660, 1243542), (792, 1036285), (990, 829028), (1320, 621771), (1980, 414514), (3960, 207257)]