855231720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{32843}}^1$

素因数の和:32895

約数の個数: 128

約数和(自身を含む): 3026903040

約数和(自身を除く): 2171671320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1736, 1860, 2170, 2604, 3255, 3720, 4340, 5208, 6510, 8680, 13020, 26040, 32843, 65686, 98529, 131372, 164215, 197058, 229901, 262744, 328430, 394116, 459802, 492645, 656860, 689703, 788232, 919604, 985290, 1018133, 1149505, 1313720, 1379406, 1839208, 1970580, 2036266, 2299010, 2758812, 3054399, 3448515, 3941160, 4072532, 4598020, 5090665, 5517624, 6108798, 6897030, 7126931, 8145064, 9196040, 10181330, 12217596, 13794060, 14253862, 15271995, 20362660, 21380793, 24435192, 27588120, 28507724, 30543990, 35634655, 40725320, 42761586, 57015448, 61087980, 71269310, 85523172, 106903965, 122175960, 142538620, 171046344, 213807930, 285077240, 427615860, 855231720]

約数ペア:

[(1, 855231720), (2, 427615860), (3, 285077240), (4, 213807930), (5, 171046344), (6, 142538620), (7, 122175960), (8, 106903965), (10, 85523172), (12, 71269310), (14, 61087980), (15, 57015448), (20, 42761586), (21, 40725320), (24, 35634655), (28, 30543990), (30, 28507724), (31, 27588120), (35, 24435192), (40, 21380793), (42, 20362660), (56, 15271995), (60, 14253862), (62, 13794060), (70, 12217596), (84, 10181330), (93, 9196040), (105, 8145064), (120, 7126931), (124, 6897030), (140, 6108798), (155, 5517624), (168, 5090665), (186, 4598020), (210, 4072532), (217, 3941160), (248, 3448515), (280, 3054399), (310, 2758812), (372, 2299010), (420, 2036266), (434, 1970580), (465, 1839208), (620, 1379406), (651, 1313720), (744, 1149505), (840, 1018133), (868, 985290), (930, 919604), (1085, 788232), (1240, 689703), (1302, 656860), (1736, 492645), (1860, 459802), (2170, 394116), (2604, 328430), (3255, 262744), (3720, 229901), (4340, 197058), (5208, 164215), (6510, 131372), (8680, 98529), (13020, 65686), (26040, 32843)]