51390720

素因数分解:

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

素因数の和:1517

約数の個数: 144

約数和(自身を含む): 182488320

約数和(自身を除く): 131097600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 768, 864, 960, 1080, 1152, 1280, 1440, 1487, 1728, 1920, 2160, 2304, 2880, 2974, 3456, 3840, 4320, 4461, 5760, 5948, 6912, 7435, 8640, 8922, 11520, 11896, 13383, 14870, 17280, 17844, 22305, 23792, 26766, 29740, 34560, 35688, 40149, 44610, 47584, 53532, 59480, 66915, 71376, 80298, 89220, 95168, 107064, 118960, 133830, 142752, 160596, 178440, 190336, 200745, 214128, 237920, 267660, 285504, 321192, 356880, 380672, 401490, 428256, 475840, 535320, 571008, 642384, 713760, 802980, 856512, 951680, 1070640, 1142016, 1284768, 1427520, 1605960, 1713024, 1903360, 2141280, 2569536, 2855040, 3211920, 3426048, 4282560, 5139072, 5710080, 6423840, 8565120, 10278144, 12847680, 17130240, 25695360, 51390720]

約数ペア:

[(1, 51390720), (2, 25695360), (3, 17130240), (4, 12847680), (5, 10278144), (6, 8565120), (8, 6423840), (9, 5710080), (10, 5139072), (12, 4282560), (15, 3426048), (16, 3211920), (18, 2855040), (20, 2569536), (24, 2141280), (27, 1903360), (30, 1713024), (32, 1605960), (36, 1427520), (40, 1284768), (45, 1142016), (48, 1070640), (54, 951680), (60, 856512), (64, 802980), (72, 713760), (80, 642384), (90, 571008), (96, 535320), (108, 475840), (120, 428256), (128, 401490), (135, 380672), (144, 356880), (160, 321192), (180, 285504), (192, 267660), (216, 237920), (240, 214128), (256, 200745), (270, 190336), (288, 178440), (320, 160596), (360, 142752), (384, 133830), (432, 118960), (480, 107064), (540, 95168), (576, 89220), (640, 80298), (720, 71376), (768, 66915), (864, 59480), (960, 53532), (1080, 47584), (1152, 44610), (1280, 40149), (1440, 35688), (1487, 34560), (1728, 29740), (1920, 26766), (2160, 23792), (2304, 22305), (2880, 17844), (2974, 17280), (3456, 14870), (3840, 13383), (4320, 11896), (4461, 11520), (5760, 8922), (5948, 8640), (6912, 7435)]