81166320

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{709}}^1$

素因数の和:784

約数の個数: 160

約数和(自身を含む): 285249600

約数和(自身を除く): 204083280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 53, 54, 60, 72, 80, 90, 106, 108, 120, 135, 144, 159, 180, 212, 216, 240, 265, 270, 318, 360, 424, 432, 477, 530, 540, 636, 709, 720, 795, 848, 954, 1060, 1080, 1272, 1418, 1431, 1590, 1908, 2120, 2127, 2160, 2385, 2544, 2836, 2862, 3180, 3545, 3816, 4240, 4254, 4770, 5672, 5724, 6360, 6381, 7090, 7155, 7632, 8508, 9540, 10635, 11344, 11448, 12720, 12762, 14180, 14310, 17016, 19080, 19143, 21270, 22896, 25524, 28360, 28620, 31905, 34032, 37577, 38160, 38286, 42540, 51048, 56720, 57240, 63810, 75154, 76572, 85080, 95715, 102096, 112731, 114480, 127620, 150308, 153144, 170160, 187885, 191430, 225462, 255240, 300616, 306288, 338193, 375770, 382860, 450924, 510480, 563655, 601232, 676386, 751540, 765720, 901848, 1014579, 1127310, 1352772, 1503080, 1531440, 1690965, 1803696, 2029158, 2254620, 2705544, 3006160, 3381930, 4058316, 4509240, 5072895, 5411088, 6763860, 8116632, 9018480, 10145790, 13527720, 16233264, 20291580, 27055440, 40583160, 81166320]

約数ペア:

[(1, 81166320), (2, 40583160), (3, 27055440), (4, 20291580), (5, 16233264), (6, 13527720), (8, 10145790), (9, 9018480), (10, 8116632), (12, 6763860), (15, 5411088), (16, 5072895), (18, 4509240), (20, 4058316), (24, 3381930), (27, 3006160), (30, 2705544), (36, 2254620), (40, 2029158), (45, 1803696), (48, 1690965), (53, 1531440), (54, 1503080), (60, 1352772), (72, 1127310), (80, 1014579), (90, 901848), (106, 765720), (108, 751540), (120, 676386), (135, 601232), (144, 563655), (159, 510480), (180, 450924), (212, 382860), (216, 375770), (240, 338193), (265, 306288), (270, 300616), (318, 255240), (360, 225462), (424, 191430), (432, 187885), (477, 170160), (530, 153144), (540, 150308), (636, 127620), (709, 114480), (720, 112731), (795, 102096), (848, 95715), (954, 85080), (1060, 76572), (1080, 75154), (1272, 63810), (1418, 57240), (1431, 56720), (1590, 51048), (1908, 42540), (2120, 38286), (2127, 38160), (2160, 37577), (2385, 34032), (2544, 31905), (2836, 28620), (2862, 28360), (3180, 25524), (3545, 22896), (3816, 21270), (4240, 19143), (4254, 19080), (4770, 17016), (5672, 14310), (5724, 14180), (6360, 12762), (6381, 12720), (7090, 11448), (7155, 11344), (7632, 10635), (8508, 9540)]