47991720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:168

約数の個数: 256

約数和(自身を含む): 180633600

約数和(自身を除く): 132641880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 31, 35, 38, 40, 42, 56, 57, 60, 62, 70, 76, 84, 93, 95, 97, 105, 114, 120, 124, 133, 140, 152, 155, 168, 186, 190, 194, 210, 217, 228, 248, 266, 280, 285, 291, 310, 372, 380, 388, 399, 420, 434, 456, 465, 485, 532, 570, 582, 589, 620, 651, 665, 679, 744, 760, 776, 798, 840, 868, 930, 970, 1064, 1085, 1140, 1164, 1178, 1240, 1302, 1330, 1358, 1455, 1596, 1736, 1767, 1843, 1860, 1940, 1995, 2037, 2170, 2280, 2328, 2356, 2604, 2660, 2716, 2910, 2945, 3007, 3192, 3255, 3395, 3534, 3686, 3720, 3880, 3990, 4074, 4123, 4340, 4712, 5208, 5320, 5432, 5529, 5820, 5890, 6014, 6510, 6790, 7068, 7372, 7980, 8148, 8246, 8680, 8835, 9021, 9215, 10185, 11058, 11640, 11780, 12028, 12369, 12901, 13020, 13580, 14136, 14744, 15035, 15960, 16296, 16492, 17670, 18042, 18430, 20370, 20615, 21049, 22116, 23560, 24056, 24738, 25802, 26040, 27160, 27645, 30070, 32984, 35340, 36084, 36860, 38703, 40740, 41230, 42098, 44232, 45105, 49476, 51604, 55290, 57133, 60140, 61845, 63147, 64505, 70680, 72168, 73720, 77406, 81480, 82460, 84196, 90210, 98952, 103208, 105245, 110580, 114266, 120280, 123690, 126294, 129010, 154812, 164920, 168392, 171399, 180420, 193515, 210490, 221160, 228532, 247380, 252588, 258020, 285665, 309624, 315735, 342798, 360840, 387030, 399931, 420980, 457064, 494760, 505176, 516040, 571330, 631470, 685596, 774060, 799862, 841960, 856995, 1142660, 1199793, 1262940, 1371192, 1548120, 1599724, 1713990, 1999655, 2285320, 2399586, 2525880, 3199448, 3427980, 3999310, 4799172, 5998965, 6855960, 7998620, 9598344, 11997930, 15997240, 23995860, 47991720]

約数ペア:

[(1, 47991720), (2, 23995860), (3, 15997240), (4, 11997930), (5, 9598344), (6, 7998620), (7, 6855960), (8, 5998965), (10, 4799172), (12, 3999310), (14, 3427980), (15, 3199448), (19, 2525880), (20, 2399586), (21, 2285320), (24, 1999655), (28, 1713990), (30, 1599724), (31, 1548120), (35, 1371192), (38, 1262940), (40, 1199793), (42, 1142660), (56, 856995), (57, 841960), (60, 799862), (62, 774060), (70, 685596), (76, 631470), (84, 571330), (93, 516040), (95, 505176), (97, 494760), (105, 457064), (114, 420980), (120, 399931), (124, 387030), (133, 360840), (140, 342798), (152, 315735), (155, 309624), (168, 285665), (186, 258020), (190, 252588), (194, 247380), (210, 228532), (217, 221160), (228, 210490), (248, 193515), (266, 180420), (280, 171399), (285, 168392), (291, 164920), (310, 154812), (372, 129010), (380, 126294), (388, 123690), (399, 120280), (420, 114266), (434, 110580), (456, 105245), (465, 103208), (485, 98952), (532, 90210), (570, 84196), (582, 82460), (589, 81480), (620, 77406), (651, 73720), (665, 72168), (679, 70680), (744, 64505), (760, 63147), (776, 61845), (798, 60140), (840, 57133), (868, 55290), (930, 51604), (970, 49476), (1064, 45105), (1085, 44232), (1140, 42098), (1164, 41230), (1178, 40740), (1240, 38703), (1302, 36860), (1330, 36084), (1358, 35340), (1455, 32984), (1596, 30070), (1736, 27645), (1767, 27160), (1843, 26040), (1860, 25802), (1940, 24738), (1995, 24056), (2037, 23560), (2170, 22116), (2280, 21049), (2328, 20615), (2356, 20370), (2604, 18430), (2660, 18042), (2716, 17670), (2910, 16492), (2945, 16296), (3007, 15960), (3192, 15035), (3255, 14744), (3395, 14136), (3534, 13580), (3686, 13020), (3720, 12901), (3880, 12369), (3990, 12028), (4074, 11780), (4123, 11640), (4340, 11058), (4712, 10185), (5208, 9215), (5320, 9021), (5432, 8835), (5529, 8680), (5820, 8246), (5890, 8148), (6014, 7980), (6510, 7372), (6790, 7068)]