1209891330

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{1493693}}^1$

素因数の和:1493712

約数の個数: 40

約数和(自身を含む): 3253265532

約数和(自身を除く): 2043374202

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 1493693, 2987386, 4481079, 7468465, 8962158, 13443237, 14936930, 22405395, 26886474, 40329711, 44810790, 67216185, 80659422, 120989133, 134432370, 201648555, 241978266, 403297110, 604945665, 1209891330]

約数ペア:

[(1, 1209891330), (2, 604945665), (3, 403297110), (5, 241978266), (6, 201648555), (9, 134432370), (10, 120989133), (15, 80659422), (18, 67216185), (27, 44810790), (30, 40329711), (45, 26886474), (54, 22405395), (81, 14936930), (90, 13443237), (135, 8962158), (162, 7468465), (270, 4481079), (405, 2987386), (810, 1493693)]