81391911120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{280507}}^1$

素因数の和:280570

約数の個数: 240

約数和(自身を含む): 303864218112

約数和(自身を除く): 222472306992

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 31, 36, 39, 40, 45, 48, 52, 60, 62, 65, 72, 78, 80, 90, 93, 104, 117, 120, 124, 130, 144, 155, 156, 180, 186, 195, 208, 234, 240, 248, 260, 279, 310, 312, 360, 372, 390, 403, 465, 468, 496, 520, 558, 585, 620, 624, 720, 744, 780, 806, 930, 936, 1040, 1116, 1170, 1209, 1240, 1395, 1488, 1560, 1612, 1860, 1872, 2015, 2232, 2340, 2418, 2480, 2790, 3120, 3224, 3627, 3720, 4030, 4464, 4680, 4836, 5580, 6045, 6448, 7254, 7440, 8060, 9360, 9672, 11160, 12090, 14508, 16120, 18135, 19344, 22320, 24180, 29016, 32240, 36270, 48360, 58032, 72540, 96720, 145080, 280507, 290160, 561014, 841521, 1122028, 1402535, 1683042, 2244056, 2524563, 2805070, 3366084, 3646591, 4207605, 4488112, 5049126, 5610140, 6732168, 7293182, 8415210, 8695717, 10098252, 10939773, 11220280, 12622815, 13464336, 14586364, 16830420, 17391434, 18232955, 20196504, 21879546, 22440560, 25245630, 26087151, 29172728, 32819319, 33660840, 34782868, 36465910, 40393008, 43478585, 43759092, 50491260, 52174302, 54698865, 58345456, 65638638, 67321680, 69565736, 72931820, 78261453, 86957170, 87518184, 100982520, 104348604, 109397730, 113044321, 130435755, 131277276, 139131472, 145863640, 156522906, 164096595, 173914340, 175036368, 201965040, 208697208, 218795460, 226088642, 260871510, 262554552, 291727280, 313045812, 328193190, 339132963, 347828680, 391307265, 417394416, 437590920, 452177284, 521743020, 525109104, 565221605, 626091624, 656386380, 678265926, 695657360, 782614530, 875181840, 904354568, 1017398889, 1043486040, 1130443210, 1252183248, 1312772760, 1356531852, 1565229060, 1695664815, 1808709136, 2034797778, 2086972080, 2260886420, 2625545520, 2713063704, 3130458120, 3391329630, 4069595556, 4521772840, 5086994445, 5426127408, 6260916240, 6782659260, 8139191112, 9043545680, 10173988890, 13565318520, 16278382224, 20347977780, 27130637040, 40695955560, 81391911120]

約数ペア:

[(1, 81391911120), (2, 40695955560), (3, 27130637040), (4, 20347977780), (5, 16278382224), (6, 13565318520), (8, 10173988890), (9, 9043545680), (10, 8139191112), (12, 6782659260), (13, 6260916240), (15, 5426127408), (16, 5086994445), (18, 4521772840), (20, 4069595556), (24, 3391329630), (26, 3130458120), (30, 2713063704), (31, 2625545520), (36, 2260886420), (39, 2086972080), (40, 2034797778), (45, 1808709136), (48, 1695664815), (52, 1565229060), (60, 1356531852), (62, 1312772760), (65, 1252183248), (72, 1130443210), (78, 1043486040), (80, 1017398889), (90, 904354568), (93, 875181840), (104, 782614530), (117, 695657360), (120, 678265926), (124, 656386380), (130, 626091624), (144, 565221605), (155, 525109104), (156, 521743020), (180, 452177284), (186, 437590920), (195, 417394416), (208, 391307265), (234, 347828680), (240, 339132963), (248, 328193190), (260, 313045812), (279, 291727280), (310, 262554552), (312, 260871510), (360, 226088642), (372, 218795460), (390, 208697208), (403, 201965040), (465, 175036368), (468, 173914340), (496, 164096595), (520, 156522906), (558, 145863640), (585, 139131472), (620, 131277276), (624, 130435755), (720, 113044321), (744, 109397730), (780, 104348604), (806, 100982520), (930, 87518184), (936, 86957170), (1040, 78261453), (1116, 72931820), (1170, 69565736), (1209, 67321680), (1240, 65638638), (1395, 58345456), (1488, 54698865), (1560, 52174302), (1612, 50491260), (1860, 43759092), (1872, 43478585), (2015, 40393008), (2232, 36465910), (2340, 34782868), (2418, 33660840), (2480, 32819319), (2790, 29172728), (3120, 26087151), (3224, 25245630), (3627, 22440560), (3720, 21879546), (4030, 20196504), (4464, 18232955), (4680, 17391434), (4836, 16830420), (5580, 14586364), (6045, 13464336), (6448, 12622815), (7254, 11220280), (7440, 10939773), (8060, 10098252), (9360, 8695717), (9672, 8415210), (11160, 7293182), (12090, 6732168), (14508, 5610140), (16120, 5049126), (18135, 4488112), (19344, 4207605), (22320, 3646591), (24180, 3366084), (29016, 2805070), (32240, 2524563), (36270, 2244056), (48360, 1683042), (58032, 1402535), (72540, 1122028), (96720, 841521), (145080, 561014), (280507, 290160)]