18021188520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{820637}}^1$

素因数の和:820715

約数の個数: 96

約数和(自身を含む): 59529080520

約数和(自身を除く): 41507892000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 61, 72, 90, 120, 122, 180, 183, 244, 305, 360, 366, 488, 549, 610, 732, 915, 1098, 1220, 1464, 1830, 2196, 2440, 2745, 3660, 4392, 5490, 7320, 10980, 21960, 820637, 1641274, 2461911, 3282548, 4103185, 4923822, 6565096, 7385733, 8206370, 9847644, 12309555, 14771466, 16412740, 19695288, 24619110, 29542932, 32825480, 36928665, 49238220, 50058857, 59085864, 73857330, 98476440, 100117714, 147714660, 150176571, 200235428, 250294285, 295429320, 300353142, 400470856, 450529713, 500588570, 600706284, 750882855, 901059426, 1001177140, 1201412568, 1501765710, 1802118852, 2002354280, 2252648565, 3003531420, 3604237704, 4505297130, 6007062840, 9010594260, 18021188520]

約数ペア:

[(1, 18021188520), (2, 9010594260), (3, 6007062840), (4, 4505297130), (5, 3604237704), (6, 3003531420), (8, 2252648565), (9, 2002354280), (10, 1802118852), (12, 1501765710), (15, 1201412568), (18, 1001177140), (20, 901059426), (24, 750882855), (30, 600706284), (36, 500588570), (40, 450529713), (45, 400470856), (60, 300353142), (61, 295429320), (72, 250294285), (90, 200235428), (120, 150176571), (122, 147714660), (180, 100117714), (183, 98476440), (244, 73857330), (305, 59085864), (360, 50058857), (366, 49238220), (488, 36928665), (549, 32825480), (610, 29542932), (732, 24619110), (915, 19695288), (1098, 16412740), (1220, 14771466), (1464, 12309555), (1830, 9847644), (2196, 8206370), (2440, 7385733), (2745, 6565096), (3660, 4923822), (4392, 4103185), (5490, 3282548), (7320, 2461911), (10980, 1641274), (21960, 820637)]