210958720

素因数分解:

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

素因数の和:102

約数の個数: 192

約数和(自身を含む): 607716000

約数和(自身を除く): 396757280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 64, 70, 80, 98, 112, 124, 128, 140, 155, 160, 196, 217, 224, 245, 248, 280, 310, 320, 343, 392, 434, 448, 490, 496, 560, 620, 640, 686, 784, 868, 896, 961, 980, 992, 1085, 1120, 1240, 1372, 1519, 1568, 1715, 1736, 1922, 1960, 1984, 2170, 2240, 2480, 2744, 3038, 3136, 3430, 3472, 3844, 3920, 3968, 4340, 4480, 4805, 4960, 5488, 6076, 6272, 6727, 6860, 6944, 7595, 7688, 7840, 8680, 9610, 9920, 10633, 10976, 12152, 13454, 13720, 13888, 15190, 15376, 15680, 17360, 19220, 19840, 21266, 21952, 24304, 26908, 27440, 27776, 30380, 30752, 31360, 33635, 34720, 38440, 42532, 43904, 47089, 48608, 53165, 53816, 54880, 60760, 61504, 67270, 69440, 76880, 85064, 94178, 97216, 106330, 107632, 109760, 121520, 123008, 134540, 138880, 153760, 170128, 188356, 194432, 212660, 215264, 219520, 235445, 243040, 269080, 307520, 329623, 340256, 376712, 425320, 430528, 470890, 486080, 538160, 615040, 659246, 680512, 753424, 850640, 861056, 941780, 972160, 1076320, 1318492, 1361024, 1506848, 1648115, 1701280, 1883560, 2152640, 2636984, 3013696, 3296230, 3402560, 3767120, 4305280, 5273968, 6027392, 6592460, 6805120, 7534240, 10547936, 13184920, 15068480, 21095872, 26369840, 30136960, 42191744, 52739680, 105479360, 210958720]

約数ペア:

[(1, 210958720), (2, 105479360), (4, 52739680), (5, 42191744), (7, 30136960), (8, 26369840), (10, 21095872), (14, 15068480), (16, 13184920), (20, 10547936), (28, 7534240), (31, 6805120), (32, 6592460), (35, 6027392), (40, 5273968), (49, 4305280), (56, 3767120), (62, 3402560), (64, 3296230), (70, 3013696), (80, 2636984), (98, 2152640), (112, 1883560), (124, 1701280), (128, 1648115), (140, 1506848), (155, 1361024), (160, 1318492), (196, 1076320), (217, 972160), (224, 941780), (245, 861056), (248, 850640), (280, 753424), (310, 680512), (320, 659246), (343, 615040), (392, 538160), (434, 486080), (448, 470890), (490, 430528), (496, 425320), (560, 376712), (620, 340256), (640, 329623), (686, 307520), (784, 269080), (868, 243040), (896, 235445), (961, 219520), (980, 215264), (992, 212660), (1085, 194432), (1120, 188356), (1240, 170128), (1372, 153760), (1519, 138880), (1568, 134540), (1715, 123008), (1736, 121520), (1922, 109760), (1960, 107632), (1984, 106330), (2170, 97216), (2240, 94178), (2480, 85064), (2744, 76880), (3038, 69440), (3136, 67270), (3430, 61504), (3472, 60760), (3844, 54880), (3920, 53816), (3968, 53165), (4340, 48608), (4480, 47089), (4805, 43904), (4960, 42532), (5488, 38440), (6076, 34720), (6272, 33635), (6727, 31360), (6860, 30752), (6944, 30380), (7595, 27776), (7688, 27440), (7840, 26908), (8680, 24304), (9610, 21952), (9920, 21266), (10633, 19840), (10976, 19220), (12152, 17360), (13454, 15680), (13720, 15376), (13888, 15190)]