7818388480

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{227}}^1$

素因数の和:321

約数の個数: 264

約数和(自身を含む): 22245551424

約数和(自身を除く): 14427162944

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 227, 248, 256, 280, 310, 320, 434, 448, 454, 496, 512, 560, 620, 640, 868, 896, 908, 961, 992, 1024, 1085, 1120, 1135, 1240, 1280, 1589, 1736, 1792, 1816, 1922, 1984, 2170, 2240, 2270, 2480, 2560, 3178, 3472, 3584, 3632, 3844, 3968, 4340, 4480, 4540, 4805, 4960, 5120, 6356, 6727, 6944, 7037, 7168, 7264, 7688, 7936, 7945, 8680, 8960, 9080, 9610, 9920, 12712, 13454, 13888, 14074, 14528, 15376, 15872, 15890, 17360, 17920, 18160, 19220, 19840, 25424, 26908, 27776, 28148, 29056, 30752, 31744, 31780, 33635, 34720, 35185, 35840, 36320, 38440, 39680, 49259, 50848, 53816, 55552, 56296, 58112, 61504, 63560, 67270, 69440, 70370, 72640, 76880, 79360, 98518, 101696, 107632, 111104, 112592, 116224, 123008, 127120, 134540, 138880, 140740, 145280, 153760, 158720, 197036, 203392, 215264, 218147, 222208, 225184, 232448, 246016, 246295, 254240, 269080, 277760, 281480, 290560, 307520, 394072, 406784, 430528, 436294, 450368, 492032, 492590, 508480, 538160, 555520, 562960, 581120, 615040, 788144, 813568, 861056, 872588, 900736, 984064, 985180, 1016960, 1076320, 1090735, 1111040, 1125920, 1162240, 1230080, 1527029, 1576288, 1627136, 1722112, 1745176, 1801472, 1970360, 2033920, 2152640, 2181470, 2251840, 2460160, 3054058, 3152576, 3444224, 3490352, 3602944, 3940720, 4067840, 4305280, 4362940, 4503680, 4920320, 6108116, 6305152, 6888448, 6980704, 7205888, 7635145, 7881440, 8135680, 8610560, 8725880, 9007360, 12216232, 12610304, 13961408, 15270290, 15762880, 17221120, 17451760, 18014720, 24432464, 25220608, 27922816, 30540580, 31525760, 34442240, 34903520, 36029440, 48864928, 50441216, 55845632, 61081160, 63051520, 69807040, 97729856, 111691264, 122162320, 126103040, 139614080, 195459712, 223382528, 244324640, 252206080, 279228160, 390919424, 488649280, 558456320, 781838848, 977298560, 1116912640, 1563677696, 1954597120, 3909194240, 7818388480]

約数ペア:

[(1, 7818388480), (2, 3909194240), (4, 1954597120), (5, 1563677696), (7, 1116912640), (8, 977298560), (10, 781838848), (14, 558456320), (16, 488649280), (20, 390919424), (28, 279228160), (31, 252206080), (32, 244324640), (35, 223382528), (40, 195459712), (56, 139614080), (62, 126103040), (64, 122162320), (70, 111691264), (80, 97729856), (112, 69807040), (124, 63051520), (128, 61081160), (140, 55845632), (155, 50441216), (160, 48864928), (217, 36029440), (224, 34903520), (227, 34442240), (248, 31525760), (256, 30540580), (280, 27922816), (310, 25220608), (320, 24432464), (434, 18014720), (448, 17451760), (454, 17221120), (496, 15762880), (512, 15270290), (560, 13961408), (620, 12610304), (640, 12216232), (868, 9007360), (896, 8725880), (908, 8610560), (961, 8135680), (992, 7881440), (1024, 7635145), (1085, 7205888), (1120, 6980704), (1135, 6888448), (1240, 6305152), (1280, 6108116), (1589, 4920320), (1736, 4503680), (1792, 4362940), (1816, 4305280), (1922, 4067840), (1984, 3940720), (2170, 3602944), (2240, 3490352), (2270, 3444224), (2480, 3152576), (2560, 3054058), (3178, 2460160), (3472, 2251840), (3584, 2181470), (3632, 2152640), (3844, 2033920), (3968, 1970360), (4340, 1801472), (4480, 1745176), (4540, 1722112), (4805, 1627136), (4960, 1576288), (5120, 1527029), (6356, 1230080), (6727, 1162240), (6944, 1125920), (7037, 1111040), (7168, 1090735), (7264, 1076320), (7688, 1016960), (7936, 985180), (7945, 984064), (8680, 900736), (8960, 872588), (9080, 861056), (9610, 813568), (9920, 788144), (12712, 615040), (13454, 581120), (13888, 562960), (14074, 555520), (14528, 538160), (15376, 508480), (15872, 492590), (15890, 492032), (17360, 450368), (17920, 436294), (18160, 430528), (19220, 406784), (19840, 394072), (25424, 307520), (26908, 290560), (27776, 281480), (28148, 277760), (29056, 269080), (30752, 254240), (31744, 246295), (31780, 246016), (33635, 232448), (34720, 225184), (35185, 222208), (35840, 218147), (36320, 215264), (38440, 203392), (39680, 197036), (49259, 158720), (50848, 153760), (53816, 145280), (55552, 140740), (56296, 138880), (58112, 134540), (61504, 127120), (63560, 123008), (67270, 116224), (69440, 112592), (70370, 111104), (72640, 107632), (76880, 101696), (79360, 98518)]