247507920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{947}}^1$

素因数の和:991

約数の個数: 240

約数和(自身を含む): 938064960

約数和(自身を除く): 690557040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 88, 90, 99, 108, 110, 120, 121, 132, 135, 144, 165, 176, 180, 198, 216, 220, 240, 242, 264, 270, 297, 330, 360, 363, 396, 432, 440, 484, 495, 528, 540, 594, 605, 660, 720, 726, 792, 880, 947, 968, 990, 1080, 1089, 1188, 1210, 1320, 1452, 1485, 1584, 1815, 1894, 1936, 1980, 2160, 2178, 2376, 2420, 2640, 2841, 2904, 2970, 3267, 3630, 3788, 3960, 4356, 4735, 4752, 4840, 5445, 5682, 5808, 5940, 6534, 7260, 7576, 7920, 8523, 8712, 9470, 9680, 10417, 10890, 11364, 11880, 13068, 14205, 14520, 15152, 16335, 17046, 17424, 18940, 20834, 21780, 22728, 23760, 25569, 26136, 28410, 29040, 31251, 32670, 34092, 37880, 41668, 42615, 43560, 45456, 51138, 52085, 52272, 56820, 62502, 65340, 68184, 75760, 83336, 85230, 87120, 93753, 102276, 104170, 113640, 114587, 125004, 127845, 130680, 136368, 156255, 166672, 170460, 187506, 204552, 208340, 227280, 229174, 250008, 255690, 261360, 281259, 312510, 340920, 343761, 375012, 409104, 416680, 458348, 468765, 500016, 511380, 562518, 572935, 625020, 681840, 687522, 750024, 833360, 916696, 937530, 1022760, 1031283, 1125036, 1145870, 1250040, 1375044, 1406295, 1500048, 1718805, 1833392, 1875060, 2045520, 2062566, 2250072, 2291740, 2500080, 2750088, 2812590, 3093849, 3437610, 3750120, 4125132, 4500144, 4583480, 5156415, 5500176, 5625180, 6187698, 6875220, 7500240, 8250264, 9166960, 10312830, 11250360, 12375396, 13750440, 15469245, 16500528, 20625660, 22500720, 24750792, 27500880, 30938490, 41251320, 49501584, 61876980, 82502640, 123753960, 247507920]

約数ペア:

[(1, 247507920), (2, 123753960), (3, 82502640), (4, 61876980), (5, 49501584), (6, 41251320), (8, 30938490), (9, 27500880), (10, 24750792), (11, 22500720), (12, 20625660), (15, 16500528), (16, 15469245), (18, 13750440), (20, 12375396), (22, 11250360), (24, 10312830), (27, 9166960), (30, 8250264), (33, 7500240), (36, 6875220), (40, 6187698), (44, 5625180), (45, 5500176), (48, 5156415), (54, 4583480), (55, 4500144), (60, 4125132), (66, 3750120), (72, 3437610), (80, 3093849), (88, 2812590), (90, 2750088), (99, 2500080), (108, 2291740), (110, 2250072), (120, 2062566), (121, 2045520), (132, 1875060), (135, 1833392), (144, 1718805), (165, 1500048), (176, 1406295), (180, 1375044), (198, 1250040), (216, 1145870), (220, 1125036), (240, 1031283), (242, 1022760), (264, 937530), (270, 916696), (297, 833360), (330, 750024), (360, 687522), (363, 681840), (396, 625020), (432, 572935), (440, 562518), (484, 511380), (495, 500016), (528, 468765), (540, 458348), (594, 416680), (605, 409104), (660, 375012), (720, 343761), (726, 340920), (792, 312510), (880, 281259), (947, 261360), (968, 255690), (990, 250008), (1080, 229174), (1089, 227280), (1188, 208340), (1210, 204552), (1320, 187506), (1452, 170460), (1485, 166672), (1584, 156255), (1815, 136368), (1894, 130680), (1936, 127845), (1980, 125004), (2160, 114587), (2178, 113640), (2376, 104170), (2420, 102276), (2640, 93753), (2841, 87120), (2904, 85230), (2970, 83336), (3267, 75760), (3630, 68184), (3788, 65340), (3960, 62502), (4356, 56820), (4735, 52272), (4752, 52085), (4840, 51138), (5445, 45456), (5682, 43560), (5808, 42615), (5940, 41668), (6534, 37880), (7260, 34092), (7576, 32670), (7920, 31251), (8523, 29040), (8712, 28410), (9470, 26136), (9680, 25569), (10417, 23760), (10890, 22728), (11364, 21780), (11880, 20834), (13068, 18940), (14205, 17424), (14520, 17046), (15152, 16335)]