256589100

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{29}}^2\times {\mathrm{113}}^1$

素因数の和:194

約数の個数: 216

約数和(自身を含む): 861871920

約数和(自身を除く): 605282820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 29, 30, 36, 45, 50, 54, 58, 60, 75, 87, 90, 100, 108, 113, 116, 135, 145, 150, 174, 180, 225, 226, 261, 270, 290, 300, 339, 348, 435, 450, 452, 522, 540, 565, 580, 675, 678, 725, 783, 841, 870, 900, 1017, 1044, 1130, 1305, 1350, 1356, 1450, 1566, 1682, 1695, 1740, 2034, 2175, 2260, 2523, 2610, 2700, 2825, 2900, 3051, 3132, 3277, 3364, 3390, 3915, 4068, 4205, 4350, 5046, 5085, 5220, 5650, 6102, 6525, 6554, 6780, 7569, 7830, 8410, 8475, 8700, 9831, 10092, 10170, 11300, 12204, 12615, 13050, 13108, 15138, 15255, 15660, 16385, 16820, 16950, 19575, 19662, 20340, 21025, 22707, 25230, 25425, 26100, 29493, 30276, 30510, 32770, 33900, 37845, 39150, 39324, 42050, 45414, 49155, 50460, 50850, 58986, 61020, 63075, 65540, 75690, 76275, 78300, 81925, 84100, 88479, 90828, 95033, 98310, 101700, 113535, 117972, 126150, 147465, 151380, 152550, 163850, 176958, 189225, 190066, 196620, 227070, 245775, 252300, 285099, 294930, 305100, 327700, 353916, 378450, 380132, 442395, 454140, 475165, 491550, 567675, 570198, 589860, 737325, 756900, 855297, 884790, 950330, 983100, 1135350, 1140396, 1425495, 1474650, 1710594, 1769580, 1900660, 2211975, 2270700, 2375825, 2565891, 2850990, 2949300, 3421188, 4276485, 4423950, 4751650, 5131782, 5701980, 7127475, 8552970, 8847900, 9503300, 10263564, 12829455, 14254950, 17105940, 21382425, 25658910, 28509900, 42764850, 51317820, 64147275, 85529700, 128294550, 256589100]

約数ペア:

[(1, 256589100), (2, 128294550), (3, 85529700), (4, 64147275), (5, 51317820), (6, 42764850), (9, 28509900), (10, 25658910), (12, 21382425), (15, 17105940), (18, 14254950), (20, 12829455), (25, 10263564), (27, 9503300), (29, 8847900), (30, 8552970), (36, 7127475), (45, 5701980), (50, 5131782), (54, 4751650), (58, 4423950), (60, 4276485), (75, 3421188), (87, 2949300), (90, 2850990), (100, 2565891), (108, 2375825), (113, 2270700), (116, 2211975), (135, 1900660), (145, 1769580), (150, 1710594), (174, 1474650), (180, 1425495), (225, 1140396), (226, 1135350), (261, 983100), (270, 950330), (290, 884790), (300, 855297), (339, 756900), (348, 737325), (435, 589860), (450, 570198), (452, 567675), (522, 491550), (540, 475165), (565, 454140), (580, 442395), (675, 380132), (678, 378450), (725, 353916), (783, 327700), (841, 305100), (870, 294930), (900, 285099), (1017, 252300), (1044, 245775), (1130, 227070), (1305, 196620), (1350, 190066), (1356, 189225), (1450, 176958), (1566, 163850), (1682, 152550), (1695, 151380), (1740, 147465), (2034, 126150), (2175, 117972), (2260, 113535), (2523, 101700), (2610, 98310), (2700, 95033), (2825, 90828), (2900, 88479), (3051, 84100), (3132, 81925), (3277, 78300), (3364, 76275), (3390, 75690), (3915, 65540), (4068, 63075), (4205, 61020), (4350, 58986), (5046, 50850), (5085, 50460), (5220, 49155), (5650, 45414), (6102, 42050), (6525, 39324), (6554, 39150), (6780, 37845), (7569, 33900), (7830, 32770), (8410, 30510), (8475, 30276), (8700, 29493), (9831, 26100), (10092, 25425), (10170, 25230), (11300, 22707), (12204, 21025), (12615, 20340), (13050, 19662), (13108, 19575), (15138, 16950), (15255, 16820), (15660, 16385)]