256953600

素因数分解:

$2^8\times 3^3\times 5^2\times {\mathrm{1487}}^1$

素因数の和:1522

約数の個数: 216

約数和(自身を含む): 942856320

約数和(自身を除く): 685902720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 64, 72, 75, 80, 90, 96, 100, 108, 120, 128, 135, 144, 150, 160, 180, 192, 200, 216, 225, 240, 256, 270, 288, 300, 320, 360, 384, 400, 432, 450, 480, 540, 576, 600, 640, 675, 720, 768, 800, 864, 900, 960, 1080, 1152, 1200, 1280, 1350, 1440, 1487, 1600, 1728, 1800, 1920, 2160, 2304, 2400, 2700, 2880, 2974, 3200, 3456, 3600, 3840, 4320, 4461, 4800, 5400, 5760, 5948, 6400, 6912, 7200, 7435, 8640, 8922, 9600, 10800, 11520, 11896, 13383, 14400, 14870, 17280, 17844, 19200, 21600, 22305, 23792, 26766, 28800, 29740, 34560, 35688, 37175, 40149, 43200, 44610, 47584, 53532, 57600, 59480, 66915, 71376, 74350, 80298, 86400, 89220, 95168, 107064, 111525, 118960, 133830, 142752, 148700, 160596, 172800, 178440, 190336, 200745, 214128, 223050, 237920, 267660, 285504, 297400, 321192, 334575, 356880, 380672, 401490, 428256, 446100, 475840, 535320, 571008, 594800, 642384, 669150, 713760, 802980, 856512, 892200, 951680, 1003725, 1070640, 1142016, 1189600, 1284768, 1338300, 1427520, 1605960, 1713024, 1784400, 1903360, 2007450, 2141280, 2379200, 2569536, 2676600, 2855040, 3211920, 3426048, 3568800, 4014900, 4282560, 4758400, 5139072, 5353200, 5710080, 6423840, 7137600, 8029800, 8565120, 9516800, 10278144, 10706400, 12847680, 14275200, 16059600, 17130240, 21412800, 25695360, 28550400, 32119200, 42825600, 51390720, 64238400, 85651200, 128476800, 256953600]

約数ペア:

[(1, 256953600), (2, 128476800), (3, 85651200), (4, 64238400), (5, 51390720), (6, 42825600), (8, 32119200), (9, 28550400), (10, 25695360), (12, 21412800), (15, 17130240), (16, 16059600), (18, 14275200), (20, 12847680), (24, 10706400), (25, 10278144), (27, 9516800), (30, 8565120), (32, 8029800), (36, 7137600), (40, 6423840), (45, 5710080), (48, 5353200), (50, 5139072), (54, 4758400), (60, 4282560), (64, 4014900), (72, 3568800), (75, 3426048), (80, 3211920), (90, 2855040), (96, 2676600), (100, 2569536), (108, 2379200), (120, 2141280), (128, 2007450), (135, 1903360), (144, 1784400), (150, 1713024), (160, 1605960), (180, 1427520), (192, 1338300), (200, 1284768), (216, 1189600), (225, 1142016), (240, 1070640), (256, 1003725), (270, 951680), (288, 892200), (300, 856512), (320, 802980), (360, 713760), (384, 669150), (400, 642384), (432, 594800), (450, 571008), (480, 535320), (540, 475840), (576, 446100), (600, 428256), (640, 401490), (675, 380672), (720, 356880), (768, 334575), (800, 321192), (864, 297400), (900, 285504), (960, 267660), (1080, 237920), (1152, 223050), (1200, 214128), (1280, 200745), (1350, 190336), (1440, 178440), (1487, 172800), (1600, 160596), (1728, 148700), (1800, 142752), (1920, 133830), (2160, 118960), (2304, 111525), (2400, 107064), (2700, 95168), (2880, 89220), (2974, 86400), (3200, 80298), (3456, 74350), (3600, 71376), (3840, 66915), (4320, 59480), (4461, 57600), (4800, 53532), (5400, 47584), (5760, 44610), (5948, 43200), (6400, 40149), (6912, 37175), (7200, 35688), (7435, 34560), (8640, 29740), (8922, 28800), (9600, 26766), (10800, 23792), (11520, 22305), (11896, 21600), (13383, 19200), (14400, 17844), (14870, 17280)]