213866520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:286

約数の個数: 256

約数和(自身を含む): 778567680

約数和(自身を除く): 564701160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 43, 56, 60, 62, 70, 84, 86, 93, 105, 120, 124, 129, 140, 155, 168, 172, 186, 191, 210, 215, 217, 248, 258, 280, 301, 310, 344, 372, 382, 420, 430, 434, 465, 516, 573, 602, 620, 645, 651, 744, 764, 840, 860, 868, 903, 930, 955, 1032, 1085, 1146, 1204, 1240, 1290, 1302, 1333, 1337, 1505, 1528, 1720, 1736, 1806, 1860, 1910, 2170, 2292, 2408, 2580, 2604, 2666, 2674, 2865, 3010, 3255, 3612, 3720, 3820, 3999, 4011, 4340, 4515, 4584, 5160, 5208, 5332, 5348, 5730, 5921, 6020, 6510, 6665, 6685, 7224, 7640, 7998, 8022, 8213, 8680, 9030, 9331, 10664, 10696, 11460, 11842, 12040, 13020, 13330, 13370, 15996, 16044, 16426, 17763, 18060, 18662, 19995, 20055, 22920, 23684, 24639, 26040, 26660, 26740, 27993, 29605, 31992, 32088, 32852, 35526, 36120, 37324, 39990, 40110, 41065, 41447, 46655, 47368, 49278, 53320, 53480, 55986, 57491, 59210, 65704, 71052, 74648, 79980, 80220, 82130, 82894, 88815, 93310, 98556, 111972, 114982, 118420, 123195, 124341, 139965, 142104, 159960, 160440, 164260, 165788, 172473, 177630, 186620, 197112, 207235, 223944, 229964, 236840, 246390, 248682, 254603, 279930, 287455, 328520, 331576, 344946, 355260, 373240, 414470, 459928, 492780, 497364, 509206, 559860, 574910, 621705, 689892, 710520, 763809, 828940, 862365, 985560, 994728, 1018412, 1119720, 1149820, 1243410, 1273015, 1379784, 1527618, 1657880, 1724730, 1782221, 2036824, 2299640, 2486820, 2546030, 3055236, 3449460, 3564442, 3819045, 4973640, 5092060, 5346663, 6110472, 6898920, 7128884, 7638090, 8911105, 10184120, 10693326, 14257768, 15276180, 17822210, 21386652, 26733315, 30552360, 35644420, 42773304, 53466630, 71288840, 106933260, 213866520]

約数ペア:

[(1, 213866520), (2, 106933260), (3, 71288840), (4, 53466630), (5, 42773304), (6, 35644420), (7, 30552360), (8, 26733315), (10, 21386652), (12, 17822210), (14, 15276180), (15, 14257768), (20, 10693326), (21, 10184120), (24, 8911105), (28, 7638090), (30, 7128884), (31, 6898920), (35, 6110472), (40, 5346663), (42, 5092060), (43, 4973640), (56, 3819045), (60, 3564442), (62, 3449460), (70, 3055236), (84, 2546030), (86, 2486820), (93, 2299640), (105, 2036824), (120, 1782221), (124, 1724730), (129, 1657880), (140, 1527618), (155, 1379784), (168, 1273015), (172, 1243410), (186, 1149820), (191, 1119720), (210, 1018412), (215, 994728), (217, 985560), (248, 862365), (258, 828940), (280, 763809), (301, 710520), (310, 689892), (344, 621705), (372, 574910), (382, 559860), (420, 509206), (430, 497364), (434, 492780), (465, 459928), (516, 414470), (573, 373240), (602, 355260), (620, 344946), (645, 331576), (651, 328520), (744, 287455), (764, 279930), (840, 254603), (860, 248682), (868, 246390), (903, 236840), (930, 229964), (955, 223944), (1032, 207235), (1085, 197112), (1146, 186620), (1204, 177630), (1240, 172473), (1290, 165788), (1302, 164260), (1333, 160440), (1337, 159960), (1505, 142104), (1528, 139965), (1720, 124341), (1736, 123195), (1806, 118420), (1860, 114982), (1910, 111972), (2170, 98556), (2292, 93310), (2408, 88815), (2580, 82894), (2604, 82130), (2666, 80220), (2674, 79980), (2865, 74648), (3010, 71052), (3255, 65704), (3612, 59210), (3720, 57491), (3820, 55986), (3999, 53480), (4011, 53320), (4340, 49278), (4515, 47368), (4584, 46655), (5160, 41447), (5208, 41065), (5332, 40110), (5348, 39990), (5730, 37324), (5921, 36120), (6020, 35526), (6510, 32852), (6665, 32088), (6685, 31992), (7224, 29605), (7640, 27993), (7998, 26740), (8022, 26660), (8213, 26040), (8680, 24639), (9030, 23684), (9331, 22920), (10664, 20055), (10696, 19995), (11460, 18662), (11842, 18060), (12040, 17763), (13020, 16426), (13330, 16044), (13370, 15996)]