81280800

素因数分解:

$2^5\times 3^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:153

約数の個数: 288

約数和(自身を含む): 303730560

約数和(自身を除く): 222449760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 53, 54, 60, 71, 72, 75, 80, 90, 96, 100, 106, 108, 120, 135, 142, 144, 150, 159, 160, 180, 200, 212, 213, 216, 225, 240, 265, 270, 284, 288, 300, 318, 355, 360, 400, 424, 426, 432, 450, 477, 480, 530, 540, 568, 600, 636, 639, 675, 710, 720, 795, 800, 848, 852, 864, 900, 954, 1060, 1065, 1080, 1136, 1200, 1272, 1278, 1325, 1350, 1420, 1431, 1440, 1590, 1696, 1704, 1775, 1800, 1908, 1917, 2120, 2130, 2160, 2272, 2385, 2400, 2544, 2556, 2650, 2700, 2840, 2862, 3180, 3195, 3408, 3550, 3600, 3763, 3816, 3834, 3975, 4240, 4260, 4320, 4770, 5088, 5112, 5300, 5325, 5400, 5680, 5724, 6360, 6390, 6816, 7100, 7155, 7200, 7526, 7632, 7668, 7950, 8480, 8520, 9540, 9585, 10224, 10600, 10650, 10800, 11289, 11360, 11448, 11925, 12720, 12780, 14200, 14310, 15052, 15264, 15336, 15900, 15975, 17040, 18815, 19080, 19170, 20448, 21200, 21300, 21600, 22578, 22896, 23850, 25440, 25560, 28400, 28620, 30104, 30672, 31800, 31950, 33867, 34080, 35775, 37630, 38160, 38340, 42400, 42600, 45156, 45792, 47700, 47925, 51120, 56445, 56800, 57240, 60208, 61344, 63600, 63900, 67734, 71550, 75260, 76320, 76680, 85200, 90312, 94075, 95400, 95850, 101601, 102240, 112890, 114480, 120416, 127200, 127800, 135468, 143100, 150520, 153360, 169335, 170400, 180624, 188150, 190800, 191700, 203202, 225780, 228960, 255600, 270936, 282225, 286200, 301040, 306720, 338670, 361248, 376300, 381600, 383400, 406404, 451560, 508005, 511200, 541872, 564450, 572400, 602080, 677340, 752600, 766800, 812808, 846675, 903120, 1016010, 1083744, 1128900, 1144800, 1354680, 1505200, 1533600, 1625616, 1693350, 1806240, 2032020, 2257800, 2540025, 2709360, 3010400, 3251232, 3386700, 4064040, 4515600, 5080050, 5418720, 6773400, 8128080, 9031200, 10160100, 13546800, 16256160, 20320200, 27093600, 40640400, 81280800]

約数ペア:

[(1, 81280800), (2, 40640400), (3, 27093600), (4, 20320200), (5, 16256160), (6, 13546800), (8, 10160100), (9, 9031200), (10, 8128080), (12, 6773400), (15, 5418720), (16, 5080050), (18, 4515600), (20, 4064040), (24, 3386700), (25, 3251232), (27, 3010400), (30, 2709360), (32, 2540025), (36, 2257800), (40, 2032020), (45, 1806240), (48, 1693350), (50, 1625616), (53, 1533600), (54, 1505200), (60, 1354680), (71, 1144800), (72, 1128900), (75, 1083744), (80, 1016010), (90, 903120), (96, 846675), (100, 812808), (106, 766800), (108, 752600), (120, 677340), (135, 602080), (142, 572400), (144, 564450), (150, 541872), (159, 511200), (160, 508005), (180, 451560), (200, 406404), (212, 383400), (213, 381600), (216, 376300), (225, 361248), (240, 338670), (265, 306720), (270, 301040), (284, 286200), (288, 282225), (300, 270936), (318, 255600), (355, 228960), (360, 225780), (400, 203202), (424, 191700), (426, 190800), (432, 188150), (450, 180624), (477, 170400), (480, 169335), (530, 153360), (540, 150520), (568, 143100), (600, 135468), (636, 127800), (639, 127200), (675, 120416), (710, 114480), (720, 112890), (795, 102240), (800, 101601), (848, 95850), (852, 95400), (864, 94075), (900, 90312), (954, 85200), (1060, 76680), (1065, 76320), (1080, 75260), (1136, 71550), (1200, 67734), (1272, 63900), (1278, 63600), (1325, 61344), (1350, 60208), (1420, 57240), (1431, 56800), (1440, 56445), (1590, 51120), (1696, 47925), (1704, 47700), (1775, 45792), (1800, 45156), (1908, 42600), (1917, 42400), (2120, 38340), (2130, 38160), (2160, 37630), (2272, 35775), (2385, 34080), (2400, 33867), (2544, 31950), (2556, 31800), (2650, 30672), (2700, 30104), (2840, 28620), (2862, 28400), (3180, 25560), (3195, 25440), (3408, 23850), (3550, 22896), (3600, 22578), (3763, 21600), (3816, 21300), (3834, 21200), (3975, 20448), (4240, 19170), (4260, 19080), (4320, 18815), (4770, 17040), (5088, 15975), (5112, 15900), (5300, 15336), (5325, 15264), (5400, 15052), (5680, 14310), (5724, 14200), (6360, 12780), (6390, 12720), (6816, 11925), (7100, 11448), (7155, 11360), (7200, 11289), (7526, 10800), (7632, 10650), (7668, 10600), (7950, 10224), (8480, 9585), (8520, 9540)]