12871320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1$

素因数の和:238

約数の個数: 192

約数和(自身を含む): 49248000

約数和(自身を除く): 36376680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 49, 55, 56, 60, 66, 70, 77, 84, 88, 98, 105, 110, 120, 132, 140, 147, 154, 165, 168, 196, 199, 210, 220, 231, 245, 264, 280, 294, 308, 330, 385, 392, 398, 420, 440, 462, 490, 539, 588, 597, 616, 660, 735, 770, 796, 840, 924, 980, 995, 1078, 1155, 1176, 1194, 1320, 1393, 1470, 1540, 1592, 1617, 1848, 1960, 1990, 2156, 2189, 2310, 2388, 2695, 2786, 2940, 2985, 3080, 3234, 3980, 4179, 4312, 4378, 4620, 4776, 5390, 5572, 5880, 5970, 6468, 6567, 6965, 7960, 8085, 8358, 8756, 9240, 9751, 10780, 10945, 11144, 11940, 12936, 13134, 13930, 15323, 16170, 16716, 17512, 19502, 20895, 21560, 21890, 23880, 26268, 27860, 29253, 30646, 32340, 32835, 33432, 39004, 41790, 43780, 45969, 48755, 52536, 55720, 58506, 61292, 64680, 65670, 76615, 78008, 83580, 87560, 91938, 97510, 107261, 117012, 122584, 131340, 146265, 153230, 167160, 183876, 195020, 214522, 229845, 234024, 262680, 292530, 306460, 321783, 367752, 390040, 429044, 459690, 536305, 585060, 612920, 643566, 858088, 919380, 1072610, 1170120, 1287132, 1608915, 1838760, 2145220, 2574264, 3217830, 4290440, 6435660, 12871320]

約数ペア:

[(1, 12871320), (2, 6435660), (3, 4290440), (4, 3217830), (5, 2574264), (6, 2145220), (7, 1838760), (8, 1608915), (10, 1287132), (11, 1170120), (12, 1072610), (14, 919380), (15, 858088), (20, 643566), (21, 612920), (22, 585060), (24, 536305), (28, 459690), (30, 429044), (33, 390040), (35, 367752), (40, 321783), (42, 306460), (44, 292530), (49, 262680), (55, 234024), (56, 229845), (60, 214522), (66, 195020), (70, 183876), (77, 167160), (84, 153230), (88, 146265), (98, 131340), (105, 122584), (110, 117012), (120, 107261), (132, 97510), (140, 91938), (147, 87560), (154, 83580), (165, 78008), (168, 76615), (196, 65670), (199, 64680), (210, 61292), (220, 58506), (231, 55720), (245, 52536), (264, 48755), (280, 45969), (294, 43780), (308, 41790), (330, 39004), (385, 33432), (392, 32835), (398, 32340), (420, 30646), (440, 29253), (462, 27860), (490, 26268), (539, 23880), (588, 21890), (597, 21560), (616, 20895), (660, 19502), (735, 17512), (770, 16716), (796, 16170), (840, 15323), (924, 13930), (980, 13134), (995, 12936), (1078, 11940), (1155, 11144), (1176, 10945), (1194, 10780), (1320, 9751), (1393, 9240), (1470, 8756), (1540, 8358), (1592, 8085), (1617, 7960), (1848, 6965), (1960, 6567), (1990, 6468), (2156, 5970), (2189, 5880), (2310, 5572), (2388, 5390), (2695, 4776), (2786, 4620), (2940, 4378), (2985, 4312), (3080, 4179), (3234, 3980)]