16978740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4639}}^1$

素因数の和:4712

約数の個数: 48

約数和(自身を含む): 48330240

約数和(自身を除く): 31351500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 4639, 9278, 13917, 18556, 23195, 27834, 46390, 55668, 69585, 92780, 139170, 278340, 282979, 565958, 848937, 1131916, 1414895, 1697874, 2829790, 3395748, 4244685, 5659580, 8489370, 16978740]

約数ペア:

[(1, 16978740), (2, 8489370), (3, 5659580), (4, 4244685), (5, 3395748), (6, 2829790), (10, 1697874), (12, 1414895), (15, 1131916), (20, 848937), (30, 565958), (60, 282979), (61, 278340), (122, 139170), (183, 92780), (244, 69585), (305, 55668), (366, 46390), (610, 27834), (732, 23195), (915, 18556), (1220, 13917), (1830, 9278), (3660, 4639)]