51220680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:340

約数の個数: 192

約数和(自身を含む): 185172480

約数和(自身を除く): 133951800

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, 281, 294, 310, 372, 392, 420, 434, 465, 490, 562, 588, 620, 651, 735, 744, 840, 843, 868, 930, 980, 1085, 1124, 1176, 1240, 1302, 1405, 1470, 1519, 1686, 1736, 1860, 1960, 1967, 2170, 2248, 2604, 2810, 2940, 3038, 3255, 3372, 3720, 3934, 4215, 4340, 4557, 5208, 5620, 5880, 5901, 6076, 6510, 6744, 7595, 7868, 8430, 8680, 8711, 9114, 9835, 11240, 11802, 12152, 13020, 13769, 15190, 15736, 16860, 17422, 18228, 19670, 22785, 23604, 26040, 26133, 27538, 29505, 30380, 33720, 34844, 36456, 39340, 41307, 43555, 45570, 47208, 52266, 55076, 59010, 60760, 60977, 68845, 69688, 78680, 82614, 87110, 91140, 104532, 110152, 118020, 121954, 130665, 137690, 165228, 174220, 182280, 182931, 206535, 209064, 236040, 243908, 261330, 275380, 304885, 330456, 348440, 365862, 413070, 426839, 487816, 522660, 550760, 609770, 731724, 826140, 853678, 914655, 1045320, 1219540, 1280517, 1463448, 1652280, 1707356, 1829310, 2134195, 2439080, 2561034, 3414712, 3658620, 4268390, 5122068, 6402585, 7317240, 8536780, 10244136, 12805170, 17073560, 25610340, 51220680]

約数ペア:

[(1, 51220680), (2, 25610340), (3, 17073560), (4, 12805170), (5, 10244136), (6, 8536780), (7, 7317240), (8, 6402585), (10, 5122068), (12, 4268390), (14, 3658620), (15, 3414712), (20, 2561034), (21, 2439080), (24, 2134195), (28, 1829310), (30, 1707356), (31, 1652280), (35, 1463448), (40, 1280517), (42, 1219540), (49, 1045320), (56, 914655), (60, 853678), (62, 826140), (70, 731724), (84, 609770), (93, 550760), (98, 522660), (105, 487816), (120, 426839), (124, 413070), (140, 365862), (147, 348440), (155, 330456), (168, 304885), (186, 275380), (196, 261330), (210, 243908), (217, 236040), (245, 209064), (248, 206535), (280, 182931), (281, 182280), (294, 174220), (310, 165228), (372, 137690), (392, 130665), (420, 121954), (434, 118020), (465, 110152), (490, 104532), (562, 91140), (588, 87110), (620, 82614), (651, 78680), (735, 69688), (744, 68845), (840, 60977), (843, 60760), (868, 59010), (930, 55076), (980, 52266), (1085, 47208), (1124, 45570), (1176, 43555), (1240, 41307), (1302, 39340), (1405, 36456), (1470, 34844), (1519, 33720), (1686, 30380), (1736, 29505), (1860, 27538), (1960, 26133), (1967, 26040), (2170, 23604), (2248, 22785), (2604, 19670), (2810, 18228), (2940, 17422), (3038, 16860), (3255, 15736), (3372, 15190), (3720, 13769), (3934, 13020), (4215, 12152), (4340, 11802), (4557, 11240), (5208, 9835), (5620, 9114), (5880, 8711), (5901, 8680), (6076, 8430), (6510, 7868), (6744, 7595)]