20643342840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{130621}}^1$

素因数の和:131077

約数の個数: 96

約数和(自身を含む): 67244205600

約数和(自身を除く): 46600862760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 439, 878, 1317, 1756, 2195, 2634, 3512, 3951, 4390, 5268, 6585, 7902, 8780, 10536, 13170, 15804, 17560, 19755, 26340, 31608, 39510, 52680, 79020, 130621, 158040, 261242, 391863, 522484, 653105, 783726, 1044968, 1175589, 1306210, 1567452, 1959315, 2351178, 2612420, 3134904, 3918630, 4702356, 5224840, 5877945, 7837260, 9404712, 11755890, 15674520, 23511780, 47023560, 57342619, 114685238, 172027857, 229370476, 286713095, 344055714, 458740952, 516083571, 573426190, 688111428, 860139285, 1032167142, 1146852380, 1376222856, 1720278570, 2064334284, 2293704760, 2580417855, 3440557140, 4128668568, 5160835710, 6881114280, 10321671420, 20643342840]

約数ペア:

[(1, 20643342840), (2, 10321671420), (3, 6881114280), (4, 5160835710), (5, 4128668568), (6, 3440557140), (8, 2580417855), (9, 2293704760), (10, 2064334284), (12, 1720278570), (15, 1376222856), (18, 1146852380), (20, 1032167142), (24, 860139285), (30, 688111428), (36, 573426190), (40, 516083571), (45, 458740952), (60, 344055714), (72, 286713095), (90, 229370476), (120, 172027857), (180, 114685238), (360, 57342619), (439, 47023560), (878, 23511780), (1317, 15674520), (1756, 11755890), (2195, 9404712), (2634, 7837260), (3512, 5877945), (3951, 5224840), (4390, 4702356), (5268, 3918630), (6585, 3134904), (7902, 2612420), (8780, 2351178), (10536, 1959315), (13170, 1567452), (15804, 1306210), (17560, 1175589), (19755, 1044968), (26340, 783726), (31608, 653105), (39510, 522484), (52680, 391863), (79020, 261242), (130621, 158040)]