205903980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{5927}}^1$

素因数の和:6135

約数の個数: 72

約数和(自身を含む): 627917472

約数和(自身を除く): 422013492

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 193, 386, 579, 772, 965, 1158, 1737, 1930, 2316, 2895, 3474, 3860, 5790, 5927, 6948, 8685, 11580, 11854, 17370, 17781, 23708, 29635, 34740, 35562, 53343, 59270, 71124, 88905, 106686, 118540, 177810, 213372, 266715, 355620, 533430, 1066860, 1143911, 2287822, 3431733, 4575644, 5719555, 6863466, 10295199, 11439110, 13726932, 17158665, 20590398, 22878220, 34317330, 41180796, 51475995, 68634660, 102951990, 205903980]

約数ペア:

[(1, 205903980), (2, 102951990), (3, 68634660), (4, 51475995), (5, 41180796), (6, 34317330), (9, 22878220), (10, 20590398), (12, 17158665), (15, 13726932), (18, 11439110), (20, 10295199), (30, 6863466), (36, 5719555), (45, 4575644), (60, 3431733), (90, 2287822), (180, 1143911), (193, 1066860), (386, 533430), (579, 355620), (772, 266715), (965, 213372), (1158, 177810), (1737, 118540), (1930, 106686), (2316, 88905), (2895, 71124), (3474, 59270), (3860, 53343), (5790, 35562), (5927, 34740), (6948, 29635), (8685, 23708), (11580, 17781), (11854, 17370)]