81954900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{2221}}^1$

素因数の和:2282

約数の個数: 108

約数和(自身を含む): 263267004

約数和(自身を除く): 181312104

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 41, 45, 50, 60, 75, 82, 90, 100, 123, 150, 164, 180, 205, 225, 246, 300, 369, 410, 450, 492, 615, 738, 820, 900, 1025, 1230, 1476, 1845, 2050, 2221, 2460, 3075, 3690, 4100, 4442, 6150, 6663, 7380, 8884, 9225, 11105, 12300, 13326, 18450, 19989, 22210, 26652, 33315, 36900, 39978, 44420, 55525, 66630, 79956, 91061, 99945, 111050, 133260, 166575, 182122, 199890, 222100, 273183, 333150, 364244, 399780, 455305, 499725, 546366, 666300, 819549, 910610, 999450, 1092732, 1365915, 1639098, 1821220, 1998900, 2276525, 2731830, 3278196, 4097745, 4553050, 5463660, 6829575, 8195490, 9106100, 13659150, 16390980, 20488725, 27318300, 40977450, 81954900]

約数ペア:

[(1, 81954900), (2, 40977450), (3, 27318300), (4, 20488725), (5, 16390980), (6, 13659150), (9, 9106100), (10, 8195490), (12, 6829575), (15, 5463660), (18, 4553050), (20, 4097745), (25, 3278196), (30, 2731830), (36, 2276525), (41, 1998900), (45, 1821220), (50, 1639098), (60, 1365915), (75, 1092732), (82, 999450), (90, 910610), (100, 819549), (123, 666300), (150, 546366), (164, 499725), (180, 455305), (205, 399780), (225, 364244), (246, 333150), (300, 273183), (369, 222100), (410, 199890), (450, 182122), (492, 166575), (615, 133260), (738, 111050), (820, 99945), (900, 91061), (1025, 79956), (1230, 66630), (1476, 55525), (1845, 44420), (2050, 39978), (2221, 36900), (2460, 33315), (3075, 26652), (3690, 22210), (4100, 19989), (4442, 18450), (6150, 13326), (6663, 12300), (7380, 11105), (8884, 9225)]