81876960

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1723}}^1$

素因数の和:1758

約数の個数: 192

約数和(自身を含む): 312802560

約数和(自身を除く): 230925600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 32, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 88, 90, 96, 99, 108, 110, 120, 132, 135, 144, 160, 165, 176, 180, 198, 216, 220, 240, 264, 270, 288, 297, 330, 352, 360, 396, 432, 440, 480, 495, 528, 540, 594, 660, 720, 792, 864, 880, 990, 1056, 1080, 1188, 1320, 1440, 1485, 1584, 1723, 1760, 1980, 2160, 2376, 2640, 2970, 3168, 3446, 3960, 4320, 4752, 5169, 5280, 5940, 6892, 7920, 8615, 9504, 10338, 11880, 13784, 15507, 15840, 17230, 18953, 20676, 23760, 25845, 27568, 31014, 34460, 37906, 41352, 46521, 47520, 51690, 55136, 56859, 62028, 68920, 75812, 77535, 82704, 93042, 94765, 103380, 113718, 124056, 137840, 151624, 155070, 165408, 170577, 186084, 189530, 206760, 227436, 232605, 248112, 275680, 284295, 303248, 310140, 341154, 372168, 379060, 413520, 454872, 465210, 496224, 511731, 568590, 606496, 620280, 682308, 744336, 758120, 827040, 852885, 909744, 930420, 1023462, 1137180, 1240560, 1364616, 1488672, 1516240, 1705770, 1819488, 1860840, 2046924, 2274360, 2481120, 2558655, 2729232, 3032480, 3411540, 3721680, 4093848, 4548720, 5117310, 5458464, 6823080, 7443360, 8187696, 9097440, 10234620, 13646160, 16375392, 20469240, 27292320, 40938480, 81876960]

約数ペア:

[(1, 81876960), (2, 40938480), (3, 27292320), (4, 20469240), (5, 16375392), (6, 13646160), (8, 10234620), (9, 9097440), (10, 8187696), (11, 7443360), (12, 6823080), (15, 5458464), (16, 5117310), (18, 4548720), (20, 4093848), (22, 3721680), (24, 3411540), (27, 3032480), (30, 2729232), (32, 2558655), (33, 2481120), (36, 2274360), (40, 2046924), (44, 1860840), (45, 1819488), (48, 1705770), (54, 1516240), (55, 1488672), (60, 1364616), (66, 1240560), (72, 1137180), (80, 1023462), (88, 930420), (90, 909744), (96, 852885), (99, 827040), (108, 758120), (110, 744336), (120, 682308), (132, 620280), (135, 606496), (144, 568590), (160, 511731), (165, 496224), (176, 465210), (180, 454872), (198, 413520), (216, 379060), (220, 372168), (240, 341154), (264, 310140), (270, 303248), (288, 284295), (297, 275680), (330, 248112), (352, 232605), (360, 227436), (396, 206760), (432, 189530), (440, 186084), (480, 170577), (495, 165408), (528, 155070), (540, 151624), (594, 137840), (660, 124056), (720, 113718), (792, 103380), (864, 94765), (880, 93042), (990, 82704), (1056, 77535), (1080, 75812), (1188, 68920), (1320, 62028), (1440, 56859), (1485, 55136), (1584, 51690), (1723, 47520), (1760, 46521), (1980, 41352), (2160, 37906), (2376, 34460), (2640, 31014), (2970, 27568), (3168, 25845), (3446, 23760), (3960, 20676), (4320, 18953), (4752, 17230), (5169, 15840), (5280, 15507), (5940, 13784), (6892, 11880), (7920, 10338), (8615, 9504)]