81232830

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{128941}}^1$

素因数の和:128961

約数の個数: 48

約数和(自身を含む): 241379424

約数和(自身を除く): 160146594

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 128941, 257882, 386823, 644705, 773646, 902587, 1160469, 1289410, 1805174, 1934115, 2320938, 2707761, 3868230, 4512935, 5415522, 5802345, 8123283, 9025870, 11604690, 13538805, 16246566, 27077610, 40616415, 81232830]

約数ペア:

[(1, 81232830), (2, 40616415), (3, 27077610), (5, 16246566), (6, 13538805), (7, 11604690), (9, 9025870), (10, 8123283), (14, 5802345), (15, 5415522), (18, 4512935), (21, 3868230), (30, 2707761), (35, 2320938), (42, 1934115), (45, 1805174), (63, 1289410), (70, 1160469), (90, 902587), (105, 773646), (126, 644705), (210, 386823), (315, 257882), (630, 128941)]