64989900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{72211}}^1$

素因数の和:72231

約数の個数: 54

約数和(自身を含む): 203710052

約数和(自身を除く): 138720152

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 72211, 144422, 216633, 288844, 361055, 433266, 649899, 722110, 866532, 1083165, 1299798, 1444220, 1805275, 2166330, 2599596, 3249495, 3610550, 4332660, 5415825, 6498990, 7221100, 10831650, 12997980, 16247475, 21663300, 32494950, 64989900]

約数ペア:

[(1, 64989900), (2, 32494950), (3, 21663300), (4, 16247475), (5, 12997980), (6, 10831650), (9, 7221100), (10, 6498990), (12, 5415825), (15, 4332660), (18, 3610550), (20, 3249495), (25, 2599596), (30, 2166330), (36, 1805275), (45, 1444220), (50, 1299798), (60, 1083165), (75, 866532), (90, 722110), (100, 649899), (150, 433266), (180, 361055), (225, 288844), (300, 216633), (450, 144422), (900, 72211)]