428715840

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{487}}^1$

素因数の和:645

約数の個数: 224

約数和(自身を含む): 1570719744

約数和(自身を除く): 1142003904

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, 64, 70, 80, 84, 96, 105, 112, 120, 131, 140, 160, 168, 192, 210, 224, 240, 262, 280, 320, 336, 393, 420, 448, 480, 487, 524, 560, 655, 672, 786, 840, 917, 960, 974, 1048, 1120, 1310, 1344, 1461, 1572, 1680, 1834, 1948, 1965, 2096, 2240, 2435, 2620, 2751, 2922, 3144, 3360, 3409, 3668, 3896, 3930, 4192, 4585, 4870, 5240, 5502, 5844, 6288, 6720, 6818, 7305, 7336, 7792, 7860, 8384, 9170, 9740, 10227, 10480, 11004, 11688, 12576, 13636, 13755, 14610, 14672, 15584, 15720, 17045, 18340, 19480, 20454, 20960, 22008, 23376, 25152, 27272, 27510, 29220, 29344, 31168, 31440, 34090, 36680, 38960, 40908, 41920, 44016, 46752, 51135, 54544, 55020, 58440, 58688, 62880, 63797, 68180, 73360, 77920, 81816, 88032, 93504, 102270, 109088, 110040, 116880, 125760, 127594, 136360, 146720, 155840, 163632, 176064, 191391, 204540, 218176, 220080, 233760, 255188, 272720, 293440, 318985, 327264, 382782, 409080, 440160, 446579, 467520, 510376, 545440, 637970, 654528, 765564, 818160, 880320, 893158, 956955, 1020752, 1090880, 1275940, 1339737, 1531128, 1636320, 1786316, 1913910, 2041504, 2232895, 2551880, 2679474, 3062256, 3272640, 3572632, 3827820, 4083008, 4465790, 5103760, 5358948, 6124512, 6698685, 7145264, 7655640, 8931580, 10207520, 10717896, 12249024, 13397370, 14290528, 15311280, 17863160, 20415040, 21435792, 26794740, 28581056, 30622560, 35726320, 42871584, 53589480, 61245120, 71452640, 85743168, 107178960, 142905280, 214357920, 428715840]

約数ペア:

[(1, 428715840), (2, 214357920), (3, 142905280), (4, 107178960), (5, 85743168), (6, 71452640), (7, 61245120), (8, 53589480), (10, 42871584), (12, 35726320), (14, 30622560), (15, 28581056), (16, 26794740), (20, 21435792), (21, 20415040), (24, 17863160), (28, 15311280), (30, 14290528), (32, 13397370), (35, 12249024), (40, 10717896), (42, 10207520), (48, 8931580), (56, 7655640), (60, 7145264), (64, 6698685), (70, 6124512), (80, 5358948), (84, 5103760), (96, 4465790), (105, 4083008), (112, 3827820), (120, 3572632), (131, 3272640), (140, 3062256), (160, 2679474), (168, 2551880), (192, 2232895), (210, 2041504), (224, 1913910), (240, 1786316), (262, 1636320), (280, 1531128), (320, 1339737), (336, 1275940), (393, 1090880), (420, 1020752), (448, 956955), (480, 893158), (487, 880320), (524, 818160), (560, 765564), (655, 654528), (672, 637970), (786, 545440), (840, 510376), (917, 467520), (960, 446579), (974, 440160), (1048, 409080), (1120, 382782), (1310, 327264), (1344, 318985), (1461, 293440), (1572, 272720), (1680, 255188), (1834, 233760), (1948, 220080), (1965, 218176), (2096, 204540), (2240, 191391), (2435, 176064), (2620, 163632), (2751, 155840), (2922, 146720), (3144, 136360), (3360, 127594), (3409, 125760), (3668, 116880), (3896, 110040), (3930, 109088), (4192, 102270), (4585, 93504), (4870, 88032), (5240, 81816), (5502, 77920), (5844, 73360), (6288, 68180), (6720, 63797), (6818, 62880), (7305, 58688), (7336, 58440), (7792, 55020), (7860, 54544), (8384, 51135), (9170, 46752), (9740, 44016), (10227, 41920), (10480, 40908), (11004, 38960), (11688, 36680), (12576, 34090), (13636, 31440), (13755, 31168), (14610, 29344), (14672, 29220), (15584, 27510), (15720, 27272), (17045, 25152), (18340, 23376), (19480, 22008), (20454, 20960)]