2821572880

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{31}}^2\times {\mathrm{107}}^1$

素因数の和:203

約数の個数: 240

約数和(自身を含む): 7978953600

約数和(自身を除く): 5157380720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 98, 107, 112, 124, 140, 155, 196, 214, 217, 245, 248, 280, 310, 343, 392, 428, 434, 490, 496, 535, 560, 620, 686, 749, 784, 856, 868, 961, 980, 1070, 1085, 1240, 1372, 1498, 1519, 1712, 1715, 1736, 1922, 1960, 2140, 2170, 2480, 2744, 2996, 3038, 3317, 3430, 3472, 3745, 3844, 3920, 4280, 4340, 4805, 5243, 5488, 5992, 6076, 6634, 6727, 6860, 7490, 7595, 7688, 8560, 8680, 9610, 10486, 10633, 11984, 12152, 13268, 13454, 13720, 14980, 15190, 15376, 16585, 17360, 19220, 20972, 21266, 23219, 24304, 26215, 26536, 26908, 27440, 29960, 30380, 33170, 33635, 36701, 38440, 41944, 42532, 46438, 47089, 52430, 53072, 53165, 53816, 59920, 60760, 66340, 67270, 73402, 76880, 83888, 85064, 92876, 94178, 102827, 104860, 106330, 107632, 116095, 121520, 132680, 134540, 146804, 162533, 170128, 183505, 185752, 188356, 205654, 209720, 212660, 232190, 235445, 265360, 269080, 293608, 325066, 329623, 367010, 371504, 376712, 411308, 419440, 425320, 464380, 470890, 514135, 538160, 587216, 650132, 659246, 719789, 734020, 753424, 812665, 822616, 850640, 928760, 941780, 1028270, 1137731, 1300264, 1318492, 1439578, 1468040, 1625330, 1645232, 1648115, 1857520, 1883560, 2056540, 2275462, 2600528, 2636984, 2879156, 2936080, 3250660, 3296230, 3598945, 3767120, 4113080, 4550924, 5038523, 5273968, 5688655, 5758312, 6501320, 6592460, 7197890, 8226160, 9101848, 10077046, 11377310, 11516624, 13002640, 13184920, 14395780, 18203696, 20154092, 22754620, 25192615, 26369840, 28791560, 35269661, 40308184, 45509240, 50385230, 57583120, 70539322, 80616368, 91018480, 100770460, 141078644, 176348305, 201540920, 282157288, 352696610, 403081840, 564314576, 705393220, 1410786440, 2821572880]

約数ペア:

[(1, 2821572880), (2, 1410786440), (4, 705393220), (5, 564314576), (7, 403081840), (8, 352696610), (10, 282157288), (14, 201540920), (16, 176348305), (20, 141078644), (28, 100770460), (31, 91018480), (35, 80616368), (40, 70539322), (49, 57583120), (56, 50385230), (62, 45509240), (70, 40308184), (80, 35269661), (98, 28791560), (107, 26369840), (112, 25192615), (124, 22754620), (140, 20154092), (155, 18203696), (196, 14395780), (214, 13184920), (217, 13002640), (245, 11516624), (248, 11377310), (280, 10077046), (310, 9101848), (343, 8226160), (392, 7197890), (428, 6592460), (434, 6501320), (490, 5758312), (496, 5688655), (535, 5273968), (560, 5038523), (620, 4550924), (686, 4113080), (749, 3767120), (784, 3598945), (856, 3296230), (868, 3250660), (961, 2936080), (980, 2879156), (1070, 2636984), (1085, 2600528), (1240, 2275462), (1372, 2056540), (1498, 1883560), (1519, 1857520), (1712, 1648115), (1715, 1645232), (1736, 1625330), (1922, 1468040), (1960, 1439578), (2140, 1318492), (2170, 1300264), (2480, 1137731), (2744, 1028270), (2996, 941780), (3038, 928760), (3317, 850640), (3430, 822616), (3472, 812665), (3745, 753424), (3844, 734020), (3920, 719789), (4280, 659246), (4340, 650132), (4805, 587216), (5243, 538160), (5488, 514135), (5992, 470890), (6076, 464380), (6634, 425320), (6727, 419440), (6860, 411308), (7490, 376712), (7595, 371504), (7688, 367010), (8560, 329623), (8680, 325066), (9610, 293608), (10486, 269080), (10633, 265360), (11984, 235445), (12152, 232190), (13268, 212660), (13454, 209720), (13720, 205654), (14980, 188356), (15190, 185752), (15376, 183505), (16585, 170128), (17360, 162533), (19220, 146804), (20972, 134540), (21266, 132680), (23219, 121520), (24304, 116095), (26215, 107632), (26536, 106330), (26908, 104860), (27440, 102827), (29960, 94178), (30380, 92876), (33170, 85064), (33635, 83888), (36701, 76880), (38440, 73402), (41944, 67270), (42532, 66340), (46438, 60760), (47089, 59920), (52430, 53816), (53072, 53165)]