78562680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:490

約数の個数: 192

約数和(自身を含む): 283668480

約数和(自身を除く): 205105800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 49, 56, 60, 62, 70, 84, 93, 98, 105, 120, 124, 140, 147, 155, 168, 186, 196, 210, 217, 245, 248, 280, 294, 310, 372, 392, 420, 431, 434, 465, 490, 588, 620, 651, 735, 744, 840, 862, 868, 930, 980, 1085, 1176, 1240, 1293, 1302, 1470, 1519, 1724, 1736, 1860, 1960, 2155, 2170, 2586, 2604, 2940, 3017, 3038, 3255, 3448, 3720, 4310, 4340, 4557, 5172, 5208, 5880, 6034, 6076, 6465, 6510, 7595, 8620, 8680, 9051, 9114, 10344, 12068, 12152, 12930, 13020, 13361, 15085, 15190, 17240, 18102, 18228, 21119, 22785, 24136, 25860, 26040, 26722, 30170, 30380, 36204, 36456, 40083, 42238, 45255, 45570, 51720, 53444, 60340, 60760, 63357, 66805, 72408, 80166, 84476, 90510, 91140, 93527, 105595, 106888, 120680, 126714, 133610, 160332, 168952, 181020, 182280, 187054, 200415, 211190, 253428, 267220, 280581, 316785, 320664, 362040, 374108, 400830, 422380, 467635, 506856, 534440, 561162, 633570, 654689, 748216, 801660, 844760, 935270, 1122324, 1267140, 1309378, 1402905, 1603320, 1870540, 1964067, 2244648, 2534280, 2618756, 2805810, 3273445, 3741080, 3928134, 5237512, 5611620, 6546890, 7856268, 9820335, 11223240, 13093780, 15712536, 19640670, 26187560, 39281340, 78562680]

約数ペア:

[(1, 78562680), (2, 39281340), (3, 26187560), (4, 19640670), (5, 15712536), (6, 13093780), (7, 11223240), (8, 9820335), (10, 7856268), (12, 6546890), (14, 5611620), (15, 5237512), (20, 3928134), (21, 3741080), (24, 3273445), (28, 2805810), (30, 2618756), (31, 2534280), (35, 2244648), (40, 1964067), (42, 1870540), (49, 1603320), (56, 1402905), (60, 1309378), (62, 1267140), (70, 1122324), (84, 935270), (93, 844760), (98, 801660), (105, 748216), (120, 654689), (124, 633570), (140, 561162), (147, 534440), (155, 506856), (168, 467635), (186, 422380), (196, 400830), (210, 374108), (217, 362040), (245, 320664), (248, 316785), (280, 280581), (294, 267220), (310, 253428), (372, 211190), (392, 200415), (420, 187054), (431, 182280), (434, 181020), (465, 168952), (490, 160332), (588, 133610), (620, 126714), (651, 120680), (735, 106888), (744, 105595), (840, 93527), (862, 91140), (868, 90510), (930, 84476), (980, 80166), (1085, 72408), (1176, 66805), (1240, 63357), (1293, 60760), (1302, 60340), (1470, 53444), (1519, 51720), (1724, 45570), (1736, 45255), (1860, 42238), (1960, 40083), (2155, 36456), (2170, 36204), (2586, 30380), (2604, 30170), (2940, 26722), (3017, 26040), (3038, 25860), (3255, 24136), (3448, 22785), (3720, 21119), (4310, 18228), (4340, 18102), (4557, 17240), (5172, 15190), (5208, 15085), (5880, 13361), (6034, 13020), (6076, 12930), (6465, 12152), (6510, 12068), (7595, 10344), (8620, 9114), (8680, 9051)]