647971560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:440

約数の個数: 192

約数和(自身を含む): 2165304960

約数和(自身を除く): 1517333400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 71, 72, 90, 101, 120, 142, 180, 202, 213, 251, 284, 303, 355, 360, 404, 426, 502, 505, 568, 606, 639, 710, 753, 808, 852, 909, 1004, 1010, 1065, 1212, 1255, 1278, 1420, 1506, 1515, 1704, 1818, 2008, 2020, 2130, 2259, 2424, 2510, 2556, 2840, 3012, 3030, 3195, 3636, 3765, 4040, 4260, 4518, 4545, 5020, 5112, 6024, 6060, 6390, 7171, 7272, 7530, 8520, 9036, 9090, 10040, 11295, 12120, 12780, 14342, 15060, 17821, 18072, 18180, 21513, 22590, 25351, 25560, 28684, 30120, 35642, 35855, 36360, 43026, 45180, 50702, 53463, 57368, 64539, 71284, 71710, 76053, 86052, 89105, 90360, 101404, 106926, 107565, 126755, 129078, 142568, 143420, 152106, 160389, 172104, 178210, 202808, 213852, 215130, 228159, 253510, 258156, 267315, 286840, 304212, 320778, 322695, 356420, 380265, 427704, 430260, 456318, 507020, 516312, 534630, 608424, 641556, 645390, 712840, 760530, 801945, 860520, 912636, 1014040, 1069260, 1140795, 1283112, 1290780, 1521060, 1603890, 1799921, 1825272, 2138520, 2281590, 2581560, 3042120, 3207780, 3599842, 4563180, 5399763, 6415560, 7199684, 8999605, 9126360, 10799526, 14399368, 16199289, 17999210, 21599052, 26998815, 32398578, 35998420, 43198104, 53997630, 64797156, 71996840, 80996445, 107995260, 129594312, 161992890, 215990520, 323985780, 647971560]

約数ペア:

[(1, 647971560), (2, 323985780), (3, 215990520), (4, 161992890), (5, 129594312), (6, 107995260), (8, 80996445), (9, 71996840), (10, 64797156), (12, 53997630), (15, 43198104), (18, 35998420), (20, 32398578), (24, 26998815), (30, 21599052), (36, 17999210), (40, 16199289), (45, 14399368), (60, 10799526), (71, 9126360), (72, 8999605), (90, 7199684), (101, 6415560), (120, 5399763), (142, 4563180), (180, 3599842), (202, 3207780), (213, 3042120), (251, 2581560), (284, 2281590), (303, 2138520), (355, 1825272), (360, 1799921), (404, 1603890), (426, 1521060), (502, 1290780), (505, 1283112), (568, 1140795), (606, 1069260), (639, 1014040), (710, 912636), (753, 860520), (808, 801945), (852, 760530), (909, 712840), (1004, 645390), (1010, 641556), (1065, 608424), (1212, 534630), (1255, 516312), (1278, 507020), (1420, 456318), (1506, 430260), (1515, 427704), (1704, 380265), (1818, 356420), (2008, 322695), (2020, 320778), (2130, 304212), (2259, 286840), (2424, 267315), (2510, 258156), (2556, 253510), (2840, 228159), (3012, 215130), (3030, 213852), (3195, 202808), (3636, 178210), (3765, 172104), (4040, 160389), (4260, 152106), (4518, 143420), (4545, 142568), (5020, 129078), (5112, 126755), (6024, 107565), (6060, 106926), (6390, 101404), (7171, 90360), (7272, 89105), (7530, 86052), (8520, 76053), (9036, 71710), (9090, 71284), (10040, 64539), (11295, 57368), (12120, 53463), (12780, 50702), (14342, 45180), (15060, 43026), (17821, 36360), (18072, 35855), (18180, 35642), (21513, 30120), (22590, 28684), (25351, 25560)]