20815742040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{349}}^1\times {\mathrm{1619}}^1$

素因数の和:2289

約数の個数: 128

約数和(自身を含む): 62868960000

約数和(自身を除く): 42053217960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 307, 349, 614, 698, 921, 1047, 1228, 1396, 1535, 1619, 1745, 1842, 2094, 2456, 2792, 3070, 3238, 3490, 3684, 4188, 4605, 4857, 5235, 6140, 6476, 6980, 7368, 8095, 8376, 9210, 9714, 10470, 12280, 12952, 13960, 16190, 18420, 19428, 20940, 24285, 32380, 36840, 38856, 41880, 48570, 64760, 97140, 107143, 194280, 214286, 321429, 428572, 497033, 535715, 565031, 642858, 857144, 994066, 1071430, 1130062, 1285716, 1491099, 1607145, 1695093, 1988132, 2142860, 2260124, 2485165, 2571432, 2825155, 2982198, 3214290, 3390186, 3976264, 4285720, 4520248, 4970330, 5650310, 5964396, 6428580, 6780372, 7455495, 8475465, 9940660, 11300620, 11928792, 12857160, 13560744, 14910990, 16950930, 19881320, 22601240, 29821980, 33901860, 59643960, 67803720, 173464517, 346929034, 520393551, 693858068, 867322585, 1040787102, 1387716136, 1734645170, 2081574204, 2601967755, 3469290340, 4163148408, 5203935510, 6938580680, 10407871020, 20815742040]

約数ペア:

[(1, 20815742040), (2, 10407871020), (3, 6938580680), (4, 5203935510), (5, 4163148408), (6, 3469290340), (8, 2601967755), (10, 2081574204), (12, 1734645170), (15, 1387716136), (20, 1040787102), (24, 867322585), (30, 693858068), (40, 520393551), (60, 346929034), (120, 173464517), (307, 67803720), (349, 59643960), (614, 33901860), (698, 29821980), (921, 22601240), (1047, 19881320), (1228, 16950930), (1396, 14910990), (1535, 13560744), (1619, 12857160), (1745, 11928792), (1842, 11300620), (2094, 9940660), (2456, 8475465), (2792, 7455495), (3070, 6780372), (3238, 6428580), (3490, 5964396), (3684, 5650310), (4188, 4970330), (4605, 4520248), (4857, 4285720), (5235, 3976264), (6140, 3390186), (6476, 3214290), (6980, 2982198), (7368, 2825155), (8095, 2571432), (8376, 2485165), (9210, 2260124), (9714, 2142860), (10470, 1988132), (12280, 1695093), (12952, 1607145), (13960, 1491099), (16190, 1285716), (18420, 1130062), (19428, 1071430), (20940, 994066), (24285, 857144), (32380, 642858), (36840, 565031), (38856, 535715), (41880, 497033), (48570, 428572), (64760, 321429), (97140, 214286), (107143, 194280)]