515690280

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{68213}}^1$

素因数の和:68240

約数の個数: 128

約数和(自身を含む): 1964563200

約数和(自身を除く): 1448872920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 68213, 136426, 204639, 272852, 341065, 409278, 477491, 545704, 613917, 682130, 818556, 954982, 1023195, 1227834, 1364260, 1432473, 1637112, 1841751, 1909964, 2046390, 2387455, 2455668, 2728520, 2864946, 3069585, 3683502, 3819928, 4092780, 4297419, 4774910, 4911336, 5729892, 6139170, 7162365, 7367004, 8185560, 8594838, 9208755, 9549820, 11459784, 12278340, 12892257, 14324730, 14734008, 17189676, 18417510, 19099640, 21487095, 24556680, 25784514, 28649460, 34379352, 36835020, 42974190, 51569028, 57298920, 64461285, 73670040, 85948380, 103138056, 128922570, 171896760, 257845140, 515690280]

約数ペア:

[(1, 515690280), (2, 257845140), (3, 171896760), (4, 128922570), (5, 103138056), (6, 85948380), (7, 73670040), (8, 64461285), (9, 57298920), (10, 51569028), (12, 42974190), (14, 36835020), (15, 34379352), (18, 28649460), (20, 25784514), (21, 24556680), (24, 21487095), (27, 19099640), (28, 18417510), (30, 17189676), (35, 14734008), (36, 14324730), (40, 12892257), (42, 12278340), (45, 11459784), (54, 9549820), (56, 9208755), (60, 8594838), (63, 8185560), (70, 7367004), (72, 7162365), (84, 6139170), (90, 5729892), (105, 4911336), (108, 4774910), (120, 4297419), (126, 4092780), (135, 3819928), (140, 3683502), (168, 3069585), (180, 2864946), (189, 2728520), (210, 2455668), (216, 2387455), (252, 2046390), (270, 1909964), (280, 1841751), (315, 1637112), (360, 1432473), (378, 1364260), (420, 1227834), (504, 1023195), (540, 954982), (630, 818556), (756, 682130), (840, 613917), (945, 545704), (1080, 477491), (1260, 409278), (1512, 341065), (1890, 272852), (2520, 204639), (3780, 136426), (7560, 68213)]