219427380

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{135449}}^1$

素因数の和:135470

約数の個数: 60

約数和(自身を含む): 688356900

約数和(自身を除く): 468929520

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 135449, 270898, 406347, 541796, 677245, 812694, 1219041, 1354490, 1625388, 2031735, 2438082, 2708980, 3657123, 4063470, 4876164, 6095205, 7314246, 8126940, 10971369, 12190410, 14628492, 18285615, 21942738, 24380820, 36571230, 43885476, 54856845, 73142460, 109713690, 219427380]

約数ペア:

[(1, 219427380), (2, 109713690), (3, 73142460), (4, 54856845), (5, 43885476), (6, 36571230), (9, 24380820), (10, 21942738), (12, 18285615), (15, 14628492), (18, 12190410), (20, 10971369), (27, 8126940), (30, 7314246), (36, 6095205), (45, 4876164), (54, 4063470), (60, 3657123), (81, 2708980), (90, 2438082), (108, 2031735), (135, 1625388), (162, 1354490), (180, 1219041), (270, 812694), (324, 677245), (405, 541796), (540, 406347), (810, 270898), (1620, 135449)]