21261137760

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{881}}^1\times {\mathrm{16759}}^1$

素因数の和:17661

約数の個数: 144

約数和(自身を含む): 72640320480

約数和(自身を除く): 51379182720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 881, 1440, 1762, 2643, 3524, 4405, 5286, 7048, 7929, 8810, 10572, 13215, 14096, 15858, 16759, 17620, 21144, 26430, 28192, 31716, 33518, 35240, 39645, 42288, 50277, 52860, 63432, 67036, 70480, 79290, 83795, 84576, 100554, 105720, 126864, 134072, 140960, 150831, 158580, 167590, 201108, 211440, 251385, 253728, 268144, 301662, 317160, 335180, 402216, 422880, 502770, 536288, 603324, 634320, 670360, 754155, 804432, 1005540, 1206648, 1268640, 1340720, 1508310, 1608864, 2011080, 2413296, 2681440, 3016620, 4022160, 4826592, 6033240, 8044320, 12066480, 14764679, 24132960, 29529358, 44294037, 59058716, 73823395, 88588074, 118117432, 132882111, 147646790, 177176148, 221470185, 236234864, 265764222, 295293580, 354352296, 442940370, 472469728, 531528444, 590587160, 664410555, 708704592, 885880740, 1063056888, 1181174320, 1328821110, 1417409184, 1771761480, 2126113776, 2362348640, 2657642220, 3543522960, 4252227552, 5315284440, 7087045920, 10630568880, 21261137760]

約数ペア:

[(1, 21261137760), (2, 10630568880), (3, 7087045920), (4, 5315284440), (5, 4252227552), (6, 3543522960), (8, 2657642220), (9, 2362348640), (10, 2126113776), (12, 1771761480), (15, 1417409184), (16, 1328821110), (18, 1181174320), (20, 1063056888), (24, 885880740), (30, 708704592), (32, 664410555), (36, 590587160), (40, 531528444), (45, 472469728), (48, 442940370), (60, 354352296), (72, 295293580), (80, 265764222), (90, 236234864), (96, 221470185), (120, 177176148), (144, 147646790), (160, 132882111), (180, 118117432), (240, 88588074), (288, 73823395), (360, 59058716), (480, 44294037), (720, 29529358), (881, 24132960), (1440, 14764679), (1762, 12066480), (2643, 8044320), (3524, 6033240), (4405, 4826592), (5286, 4022160), (7048, 3016620), (7929, 2681440), (8810, 2413296), (10572, 2011080), (13215, 1608864), (14096, 1508310), (15858, 1340720), (16759, 1268640), (17620, 1206648), (21144, 1005540), (26430, 804432), (28192, 754155), (31716, 670360), (33518, 634320), (35240, 603324), (39645, 536288), (42288, 502770), (50277, 422880), (52860, 402216), (63432, 335180), (67036, 317160), (70480, 301662), (79290, 268144), (83795, 253728), (84576, 251385), (100554, 211440), (105720, 201108), (126864, 167590), (134072, 158580), (140960, 150831)]