420213360

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{643}}^1$

素因数の和:1055

約数の個数: 160

約数和(自身を含む): 1494904320

約数和(自身を除く): 1074690960

約数列:

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

約数ペア:

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