156640447420

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{906589}}^1$

素因数の和:906814

約数の個数: 48

約数和(自身を含む): 337207963680

約数和(自身を除く): 180567516260

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 163, 212, 265, 326, 530, 652, 815, 1060, 1630, 3260, 8639, 17278, 34556, 43195, 86390, 172780, 906589, 1813178, 3626356, 4532945, 9065890, 18131780, 48049217, 96098434, 147774007, 192196868, 240246085, 295548014, 480492170, 591096028, 738870035, 960984340, 1477740070, 2955480140, 7832022371, 15664044742, 31328089484, 39160111855, 78320223710, 156640447420]

約数ペア:

[(1, 156640447420), (2, 78320223710), (4, 39160111855), (5, 31328089484), (10, 15664044742), (20, 7832022371), (53, 2955480140), (106, 1477740070), (163, 960984340), (212, 738870035), (265, 591096028), (326, 480492170), (530, 295548014), (652, 240246085), (815, 192196868), (1060, 147774007), (1630, 96098434), (3260, 48049217), (8639, 18131780), (17278, 9065890), (34556, 4532945), (43195, 3626356), (86390, 1813178), (172780, 906589)]