1288528040

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{229}}^1\times {\mathrm{863}}^1$

素因数の和:1266

約数の個数: 64

約数和(自身を含む): 2933107200

約数和(自身を除く): 1644579160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 229, 326, 458, 652, 815, 863, 916, 1145, 1304, 1630, 1726, 1832, 2290, 3260, 3452, 4315, 4580, 6520, 6904, 8630, 9160, 17260, 34520, 37327, 74654, 140669, 149308, 186635, 197627, 281338, 298616, 373270, 395254, 562676, 703345, 746540, 790508, 988135, 1125352, 1406690, 1493080, 1581016, 1976270, 2813380, 3952540, 5626760, 7905080, 32213201, 64426402, 128852804, 161066005, 257705608, 322132010, 644264020, 1288528040]

約数ペア:

[(1, 1288528040), (2, 644264020), (4, 322132010), (5, 257705608), (8, 161066005), (10, 128852804), (20, 64426402), (40, 32213201), (163, 7905080), (229, 5626760), (326, 3952540), (458, 2813380), (652, 1976270), (815, 1581016), (863, 1493080), (916, 1406690), (1145, 1125352), (1304, 988135), (1630, 790508), (1726, 746540), (1832, 703345), (2290, 562676), (3260, 395254), (3452, 373270), (4315, 298616), (4580, 281338), (6520, 197627), (6904, 186635), (8630, 149308), (9160, 140669), (17260, 74654), (34520, 37327)]