256441500

素因数分解:

$2^2\times 3^2\times 5^3\times 7^2\times {\mathrm{1163}}^1$

素因数の和:1202

約数の個数: 216

約数和(自身を含む): 941876208

約数和(自身を除く): 685434708

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 49, 50, 60, 63, 70, 75, 84, 90, 98, 100, 105, 125, 126, 140, 147, 150, 175, 180, 196, 210, 225, 245, 250, 252, 294, 300, 315, 350, 375, 420, 441, 450, 490, 500, 525, 588, 630, 700, 735, 750, 875, 882, 900, 980, 1050, 1125, 1163, 1225, 1260, 1470, 1500, 1575, 1750, 1764, 2100, 2205, 2250, 2326, 2450, 2625, 2940, 3150, 3489, 3500, 3675, 4410, 4500, 4652, 4900, 5250, 5815, 6125, 6300, 6978, 7350, 7875, 8141, 8820, 10467, 10500, 11025, 11630, 12250, 13956, 14700, 15750, 16282, 17445, 18375, 20934, 22050, 23260, 24423, 24500, 29075, 31500, 32564, 34890, 36750, 40705, 41868, 44100, 48846, 52335, 55125, 56987, 58150, 69780, 73269, 73500, 81410, 87225, 97692, 104670, 110250, 113974, 116300, 122115, 145375, 146538, 162820, 170961, 174450, 203525, 209340, 220500, 227948, 244230, 261675, 284935, 290750, 293076, 341922, 348900, 366345, 407050, 436125, 488460, 512883, 523350, 569870, 581500, 610575, 683844, 732690, 814100, 854805, 872250, 1017625, 1025766, 1046700, 1139740, 1221150, 1308375, 1424675, 1465380, 1709610, 1744500, 1831725, 2035250, 2051532, 2442300, 2564415, 2616750, 2849350, 3052875, 3419220, 3663450, 4070500, 4274025, 5128830, 5233500, 5698700, 6105750, 7123375, 7326900, 8548050, 9158625, 10257660, 12211500, 12822075, 14246750, 17096100, 18317250, 21370125, 25644150, 28493500, 36634500, 42740250, 51288300, 64110375, 85480500, 128220750, 256441500]

約数ペア:

[(1, 256441500), (2, 128220750), (3, 85480500), (4, 64110375), (5, 51288300), (6, 42740250), (7, 36634500), (9, 28493500), (10, 25644150), (12, 21370125), (14, 18317250), (15, 17096100), (18, 14246750), (20, 12822075), (21, 12211500), (25, 10257660), (28, 9158625), (30, 8548050), (35, 7326900), (36, 7123375), (42, 6105750), (45, 5698700), (49, 5233500), (50, 5128830), (60, 4274025), (63, 4070500), (70, 3663450), (75, 3419220), (84, 3052875), (90, 2849350), (98, 2616750), (100, 2564415), (105, 2442300), (125, 2051532), (126, 2035250), (140, 1831725), (147, 1744500), (150, 1709610), (175, 1465380), (180, 1424675), (196, 1308375), (210, 1221150), (225, 1139740), (245, 1046700), (250, 1025766), (252, 1017625), (294, 872250), (300, 854805), (315, 814100), (350, 732690), (375, 683844), (420, 610575), (441, 581500), (450, 569870), (490, 523350), (500, 512883), (525, 488460), (588, 436125), (630, 407050), (700, 366345), (735, 348900), (750, 341922), (875, 293076), (882, 290750), (900, 284935), (980, 261675), (1050, 244230), (1125, 227948), (1163, 220500), (1225, 209340), (1260, 203525), (1470, 174450), (1500, 170961), (1575, 162820), (1750, 146538), (1764, 145375), (2100, 122115), (2205, 116300), (2250, 113974), (2326, 110250), (2450, 104670), (2625, 97692), (2940, 87225), (3150, 81410), (3489, 73500), (3500, 73269), (3675, 69780), (4410, 58150), (4500, 56987), (4652, 55125), (4900, 52335), (5250, 48846), (5815, 44100), (6125, 41868), (6300, 40705), (6978, 36750), (7350, 34890), (7875, 32564), (8141, 31500), (8820, 29075), (10467, 24500), (10500, 24423), (11025, 23260), (11630, 22050), (12250, 20934), (13956, 18375), (14700, 17445), (15750, 16282)]