840426720

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{643}}^1$

素因数の和:1057

約数の個数: 192

約数和(自身を含む): 3038031360

約数和(自身を除く): 2197604640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 389, 420, 480, 560, 643, 672, 778, 840, 1120, 1167, 1286, 1556, 1680, 1929, 1945, 2334, 2572, 2723, 3112, 3215, 3360, 3858, 3890, 4501, 4668, 5144, 5446, 5835, 6224, 6430, 7716, 7780, 8169, 9002, 9336, 9645, 10288, 10892, 11670, 12448, 12860, 13503, 13615, 15432, 15560, 16338, 18004, 18672, 19290, 20576, 21784, 22505, 23340, 25720, 27006, 27230, 30864, 31120, 32676, 36008, 37344, 38580, 40845, 43568, 45010, 46680, 51440, 54012, 54460, 61728, 62240, 65352, 67515, 72016, 77160, 81690, 87136, 90020, 93360, 102880, 108024, 108920, 130704, 135030, 144032, 154320, 163380, 180040, 186720, 216048, 217840, 250127, 261408, 270060, 308640, 326760, 360080, 432096, 435680, 500254, 540120, 653520, 720160, 750381, 1000508, 1080240, 1250635, 1307040, 1500762, 1750889, 2001016, 2160480, 2501270, 3001524, 3501778, 3751905, 4002032, 5002540, 5252667, 6003048, 7003556, 7503810, 8004064, 8754445, 10005080, 10505334, 12006096, 14007112, 15007620, 17508890, 20010160, 21010668, 24012192, 26263335, 28014224, 30015240, 35017780, 40020320, 42021336, 52526670, 56028448, 60030480, 70035560, 84042672, 105053340, 120060960, 140071120, 168085344, 210106680, 280142240, 420213360, 840426720]

約数ペア:

[(1, 840426720), (2, 420213360), (3, 280142240), (4, 210106680), (5, 168085344), (6, 140071120), (7, 120060960), (8, 105053340), (10, 84042672), (12, 70035560), (14, 60030480), (15, 56028448), (16, 52526670), (20, 42021336), (21, 40020320), (24, 35017780), (28, 30015240), (30, 28014224), (32, 26263335), (35, 24012192), (40, 21010668), (42, 20010160), (48, 17508890), (56, 15007620), (60, 14007112), (70, 12006096), (80, 10505334), (84, 10005080), (96, 8754445), (105, 8004064), (112, 7503810), (120, 7003556), (140, 6003048), (160, 5252667), (168, 5002540), (210, 4002032), (224, 3751905), (240, 3501778), (280, 3001524), (336, 2501270), (389, 2160480), (420, 2001016), (480, 1750889), (560, 1500762), (643, 1307040), (672, 1250635), (778, 1080240), (840, 1000508), (1120, 750381), (1167, 720160), (1286, 653520), (1556, 540120), (1680, 500254), (1929, 435680), (1945, 432096), (2334, 360080), (2572, 326760), (2723, 308640), (3112, 270060), (3215, 261408), (3360, 250127), (3858, 217840), (3890, 216048), (4501, 186720), (4668, 180040), (5144, 163380), (5446, 154320), (5835, 144032), (6224, 135030), (6430, 130704), (7716, 108920), (7780, 108024), (8169, 102880), (9002, 93360), (9336, 90020), (9645, 87136), (10288, 81690), (10892, 77160), (11670, 72016), (12448, 67515), (12860, 65352), (13503, 62240), (13615, 61728), (15432, 54460), (15560, 54012), (16338, 51440), (18004, 46680), (18672, 45010), (19290, 43568), (20576, 40845), (21784, 38580), (22505, 37344), (23340, 36008), (25720, 32676), (27006, 31120), (27230, 30864)]