85777440

素因数分解:

$2^5\times 3^1\times 5^1\times 7^3\times {\mathrm{521}}^1$

素因数の和:560

約数の個数: 192

約数和(自身を含む): 315705600

約数和(自身を除く): 229928160

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, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 343, 392, 420, 480, 490, 521, 560, 588, 672, 686, 735, 784, 840, 980, 1029, 1042, 1120, 1176, 1372, 1470, 1563, 1568, 1680, 1715, 1960, 2058, 2084, 2352, 2605, 2744, 2940, 3126, 3360, 3430, 3647, 3920, 4116, 4168, 4704, 5145, 5210, 5488, 5880, 6252, 6860, 7294, 7815, 7840, 8232, 8336, 10290, 10420, 10941, 10976, 11760, 12504, 13720, 14588, 15630, 16464, 16672, 18235, 20580, 20840, 21882, 23520, 25008, 25529, 27440, 29176, 31260, 32928, 36470, 41160, 41680, 43764, 50016, 51058, 54705, 54880, 58352, 62520, 72940, 76587, 82320, 83360, 87528, 102116, 109410, 116704, 125040, 127645, 145880, 153174, 164640, 175056, 178703, 204232, 218820, 250080, 255290, 291760, 306348, 350112, 357406, 382935, 408464, 437640, 510580, 536109, 583520, 612696, 714812, 765870, 816928, 875280, 893515, 1021160, 1072218, 1225392, 1429624, 1531740, 1750560, 1787030, 2042320, 2144436, 2450784, 2680545, 2859248, 3063480, 3574060, 4084640, 4288872, 5361090, 5718496, 6126960, 7148120, 8577744, 10722180, 12253920, 14296240, 17155488, 21444360, 28592480, 42888720, 85777440]

約数ペア:

[(1, 85777440), (2, 42888720), (3, 28592480), (4, 21444360), (5, 17155488), (6, 14296240), (7, 12253920), (8, 10722180), (10, 8577744), (12, 7148120), (14, 6126960), (15, 5718496), (16, 5361090), (20, 4288872), (21, 4084640), (24, 3574060), (28, 3063480), (30, 2859248), (32, 2680545), (35, 2450784), (40, 2144436), (42, 2042320), (48, 1787030), (49, 1750560), (56, 1531740), (60, 1429624), (70, 1225392), (80, 1072218), (84, 1021160), (96, 893515), (98, 875280), (105, 816928), (112, 765870), (120, 714812), (140, 612696), (147, 583520), (160, 536109), (168, 510580), (196, 437640), (210, 408464), (224, 382935), (240, 357406), (245, 350112), (280, 306348), (294, 291760), (336, 255290), (343, 250080), (392, 218820), (420, 204232), (480, 178703), (490, 175056), (521, 164640), (560, 153174), (588, 145880), (672, 127645), (686, 125040), (735, 116704), (784, 109410), (840, 102116), (980, 87528), (1029, 83360), (1042, 82320), (1120, 76587), (1176, 72940), (1372, 62520), (1470, 58352), (1563, 54880), (1568, 54705), (1680, 51058), (1715, 50016), (1960, 43764), (2058, 41680), (2084, 41160), (2352, 36470), (2605, 32928), (2744, 31260), (2940, 29176), (3126, 27440), (3360, 25529), (3430, 25008), (3647, 23520), (3920, 21882), (4116, 20840), (4168, 20580), (4704, 18235), (5145, 16672), (5210, 16464), (5488, 15630), (5880, 14588), (6252, 13720), (6860, 12504), (7294, 11760), (7815, 10976), (7840, 10941), (8232, 10420), (8336, 10290)]