87781320

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{821}}^1$

素因数の和:858

約数の個数: 192

約数和(自身を含む): 323144640

約数和(自身を除く): 235363320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 81, 88, 90, 99, 108, 110, 120, 132, 135, 162, 165, 180, 198, 216, 220, 243, 264, 270, 297, 324, 330, 360, 396, 405, 440, 486, 495, 540, 594, 648, 660, 792, 810, 821, 891, 972, 990, 1080, 1188, 1215, 1320, 1485, 1620, 1642, 1782, 1944, 1980, 2376, 2430, 2463, 2673, 2970, 3240, 3284, 3564, 3960, 4105, 4455, 4860, 4926, 5346, 5940, 6568, 7128, 7389, 8210, 8910, 9031, 9720, 9852, 10692, 11880, 12315, 13365, 14778, 16420, 17820, 18062, 19704, 21384, 22167, 24630, 26730, 27093, 29556, 32840, 35640, 36124, 36945, 44334, 45155, 49260, 53460, 54186, 59112, 66501, 72248, 73890, 81279, 88668, 90310, 98520, 106920, 108372, 110835, 133002, 135465, 147780, 162558, 177336, 180620, 199503, 216744, 221670, 243837, 266004, 270930, 295560, 325116, 332505, 361240, 399006, 406395, 443340, 487674, 532008, 541860, 650232, 665010, 731511, 798012, 812790, 886680, 975348, 997515, 1083720, 1219185, 1330020, 1463022, 1596024, 1625580, 1950696, 1995030, 2194533, 2438370, 2660040, 2926044, 3251160, 3657555, 3990060, 4389066, 4876740, 5852088, 7315110, 7980120, 8778132, 9753480, 10972665, 14630220, 17556264, 21945330, 29260440, 43890660, 87781320]

約数ペア:

[(1, 87781320), (2, 43890660), (3, 29260440), (4, 21945330), (5, 17556264), (6, 14630220), (8, 10972665), (9, 9753480), (10, 8778132), (11, 7980120), (12, 7315110), (15, 5852088), (18, 4876740), (20, 4389066), (22, 3990060), (24, 3657555), (27, 3251160), (30, 2926044), (33, 2660040), (36, 2438370), (40, 2194533), (44, 1995030), (45, 1950696), (54, 1625580), (55, 1596024), (60, 1463022), (66, 1330020), (72, 1219185), (81, 1083720), (88, 997515), (90, 975348), (99, 886680), (108, 812790), (110, 798012), (120, 731511), (132, 665010), (135, 650232), (162, 541860), (165, 532008), (180, 487674), (198, 443340), (216, 406395), (220, 399006), (243, 361240), (264, 332505), (270, 325116), (297, 295560), (324, 270930), (330, 266004), (360, 243837), (396, 221670), (405, 216744), (440, 199503), (486, 180620), (495, 177336), (540, 162558), (594, 147780), (648, 135465), (660, 133002), (792, 110835), (810, 108372), (821, 106920), (891, 98520), (972, 90310), (990, 88668), (1080, 81279), (1188, 73890), (1215, 72248), (1320, 66501), (1485, 59112), (1620, 54186), (1642, 53460), (1782, 49260), (1944, 45155), (1980, 44334), (2376, 36945), (2430, 36124), (2463, 35640), (2673, 32840), (2970, 29556), (3240, 27093), (3284, 26730), (3564, 24630), (3960, 22167), (4105, 21384), (4455, 19704), (4860, 18062), (4926, 17820), (5346, 16420), (5940, 14778), (6568, 13365), (7128, 12315), (7389, 11880), (8210, 10692), (8910, 9852), (9031, 9720)]