319760640

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{677}}^1$

素因数の和:745

約数の個数: 216

約数和(自身を含む): 1134996408

約数和(自身を除く): 815235768

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 41, 45, 48, 60, 64, 72, 80, 82, 90, 96, 120, 123, 128, 144, 160, 164, 180, 192, 205, 240, 246, 256, 288, 320, 328, 360, 369, 384, 410, 480, 492, 576, 615, 640, 656, 677, 720, 738, 768, 820, 960, 984, 1152, 1230, 1280, 1312, 1354, 1440, 1476, 1640, 1845, 1920, 1968, 2031, 2304, 2460, 2624, 2708, 2880, 2952, 3280, 3385, 3690, 3840, 3936, 4062, 4920, 5248, 5416, 5760, 5904, 6093, 6560, 6770, 7380, 7872, 8124, 9840, 10155, 10496, 10832, 11520, 11808, 12186, 13120, 13540, 14760, 15744, 16248, 19680, 20310, 21664, 23616, 24372, 26240, 27080, 27757, 29520, 30465, 31488, 32496, 39360, 40620, 43328, 47232, 48744, 52480, 54160, 55514, 59040, 60930, 64992, 78720, 81240, 83271, 86656, 94464, 97488, 108320, 111028, 118080, 121860, 129984, 138785, 157440, 162480, 166542, 173312, 194976, 216640, 222056, 236160, 243720, 249813, 259968, 277570, 324960, 333084, 389952, 416355, 433280, 444112, 472320, 487440, 499626, 519936, 555140, 649920, 666168, 779904, 832710, 866560, 888224, 974880, 999252, 1110280, 1249065, 1299840, 1332336, 1559808, 1665420, 1776448, 1949760, 1998504, 2220560, 2498130, 2599680, 2664672, 3330840, 3552896, 3899520, 3997008, 4441120, 4996260, 5329344, 6661680, 7105792, 7799040, 7994016, 8882240, 9992520, 10658688, 13323360, 15988032, 17764480, 19985040, 21317376, 26646720, 31976064, 35528960, 39970080, 53293440, 63952128, 79940160, 106586880, 159880320, 319760640]

約数ペア:

[(1, 319760640), (2, 159880320), (3, 106586880), (4, 79940160), (5, 63952128), (6, 53293440), (8, 39970080), (9, 35528960), (10, 31976064), (12, 26646720), (15, 21317376), (16, 19985040), (18, 17764480), (20, 15988032), (24, 13323360), (30, 10658688), (32, 9992520), (36, 8882240), (40, 7994016), (41, 7799040), (45, 7105792), (48, 6661680), (60, 5329344), (64, 4996260), (72, 4441120), (80, 3997008), (82, 3899520), (90, 3552896), (96, 3330840), (120, 2664672), (123, 2599680), (128, 2498130), (144, 2220560), (160, 1998504), (164, 1949760), (180, 1776448), (192, 1665420), (205, 1559808), (240, 1332336), (246, 1299840), (256, 1249065), (288, 1110280), (320, 999252), (328, 974880), (360, 888224), (369, 866560), (384, 832710), (410, 779904), (480, 666168), (492, 649920), (576, 555140), (615, 519936), (640, 499626), (656, 487440), (677, 472320), (720, 444112), (738, 433280), (768, 416355), (820, 389952), (960, 333084), (984, 324960), (1152, 277570), (1230, 259968), (1280, 249813), (1312, 243720), (1354, 236160), (1440, 222056), (1476, 216640), (1640, 194976), (1845, 173312), (1920, 166542), (1968, 162480), (2031, 157440), (2304, 138785), (2460, 129984), (2624, 121860), (2708, 118080), (2880, 111028), (2952, 108320), (3280, 97488), (3385, 94464), (3690, 86656), (3840, 83271), (3936, 81240), (4062, 78720), (4920, 64992), (5248, 60930), (5416, 59040), (5760, 55514), (5904, 54160), (6093, 52480), (6560, 48744), (6770, 47232), (7380, 43328), (7872, 40620), (8124, 39360), (9840, 32496), (10155, 31488), (10496, 30465), (10832, 29520), (11520, 27757), (11808, 27080), (12186, 26240), (13120, 24372), (13540, 23616), (14760, 21664), (15744, 20310), (16248, 19680)]