90180720

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{617}}^1$

素因数の和:672

約数の個数: 240

約数和(自身を含む): 358637760

約数和(自身を除く): 268457040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 29, 30, 35, 36, 40, 42, 45, 48, 56, 58, 60, 63, 70, 72, 80, 84, 87, 90, 105, 112, 116, 120, 126, 140, 144, 145, 168, 174, 180, 203, 210, 232, 240, 252, 261, 280, 290, 315, 336, 348, 360, 406, 420, 435, 464, 504, 522, 560, 580, 609, 617, 630, 696, 720, 812, 840, 870, 1008, 1015, 1044, 1160, 1218, 1234, 1260, 1305, 1392, 1624, 1680, 1740, 1827, 1851, 2030, 2088, 2320, 2436, 2468, 2520, 2610, 3045, 3085, 3248, 3480, 3654, 3702, 4060, 4176, 4319, 4872, 4936, 5040, 5220, 5553, 6090, 6170, 6960, 7308, 7404, 8120, 8638, 9135, 9255, 9744, 9872, 10440, 11106, 12180, 12340, 12957, 14616, 14808, 16240, 17276, 17893, 18270, 18510, 20880, 21595, 22212, 24360, 24680, 25914, 27765, 29232, 29616, 34552, 35786, 36540, 37020, 38871, 43190, 44424, 48720, 49360, 51828, 53679, 55530, 64785, 69104, 71572, 73080, 74040, 77742, 86380, 88848, 89465, 103656, 107358, 111060, 125251, 129570, 143144, 146160, 148080, 155484, 161037, 172760, 178930, 194355, 207312, 214716, 222120, 250502, 259140, 268395, 286288, 310968, 322074, 345520, 357860, 375753, 388710, 429432, 444240, 501004, 518280, 536790, 621936, 626255, 644148, 715720, 751506, 777420, 805185, 858864, 1002008, 1036560, 1073580, 1127259, 1252510, 1288296, 1431440, 1503012, 1554840, 1610370, 1878765, 2004016, 2147160, 2254518, 2505020, 2576592, 3006024, 3109680, 3220740, 3757530, 4294320, 4509036, 5010040, 5636295, 6012048, 6441480, 7515060, 9018072, 10020080, 11272590, 12882960, 15030120, 18036144, 22545180, 30060240, 45090360, 90180720]

約数ペア:

[(1, 90180720), (2, 45090360), (3, 30060240), (4, 22545180), (5, 18036144), (6, 15030120), (7, 12882960), (8, 11272590), (9, 10020080), (10, 9018072), (12, 7515060), (14, 6441480), (15, 6012048), (16, 5636295), (18, 5010040), (20, 4509036), (21, 4294320), (24, 3757530), (28, 3220740), (29, 3109680), (30, 3006024), (35, 2576592), (36, 2505020), (40, 2254518), (42, 2147160), (45, 2004016), (48, 1878765), (56, 1610370), (58, 1554840), (60, 1503012), (63, 1431440), (70, 1288296), (72, 1252510), (80, 1127259), (84, 1073580), (87, 1036560), (90, 1002008), (105, 858864), (112, 805185), (116, 777420), (120, 751506), (126, 715720), (140, 644148), (144, 626255), (145, 621936), (168, 536790), (174, 518280), (180, 501004), (203, 444240), (210, 429432), (232, 388710), (240, 375753), (252, 357860), (261, 345520), (280, 322074), (290, 310968), (315, 286288), (336, 268395), (348, 259140), (360, 250502), (406, 222120), (420, 214716), (435, 207312), (464, 194355), (504, 178930), (522, 172760), (560, 161037), (580, 155484), (609, 148080), (617, 146160), (630, 143144), (696, 129570), (720, 125251), (812, 111060), (840, 107358), (870, 103656), (1008, 89465), (1015, 88848), (1044, 86380), (1160, 77742), (1218, 74040), (1234, 73080), (1260, 71572), (1305, 69104), (1392, 64785), (1624, 55530), (1680, 53679), (1740, 51828), (1827, 49360), (1851, 48720), (2030, 44424), (2088, 43190), (2320, 38871), (2436, 37020), (2468, 36540), (2520, 35786), (2610, 34552), (3045, 29616), (3085, 29232), (3248, 27765), (3480, 25914), (3654, 24680), (3702, 24360), (4060, 22212), (4176, 21595), (4319, 20880), (4872, 18510), (4936, 18270), (5040, 17893), (5220, 17276), (5553, 16240), (6090, 14808), (6170, 14616), (6960, 12957), (7308, 12340), (7404, 12180), (8120, 11106), (8638, 10440), (9135, 9872), (9255, 9744)]