18968454540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{15054329}}^1$

素因数の和:15054351

約数の個数: 72

約数和(自身を含む): 65757313440

約数和(自身を除く): 46788858900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 15054329, 30108658, 45162987, 60217316, 75271645, 90325974, 105380303, 135488961, 150543290, 180651948, 210760606, 225814935, 270977922, 301086580, 316140909, 421521212, 451629870, 526901515, 541955844, 632281818, 677444805, 903259740, 948422727, 1053803030, 1264563636, 1354889610, 1580704545, 1896845454, 2107606060, 2709779220, 3161409090, 3793690908, 4742113635, 6322818180, 9484227270, 18968454540]

約数ペア:

[(1, 18968454540), (2, 9484227270), (3, 6322818180), (4, 4742113635), (5, 3793690908), (6, 3161409090), (7, 2709779220), (9, 2107606060), (10, 1896845454), (12, 1580704545), (14, 1354889610), (15, 1264563636), (18, 1053803030), (20, 948422727), (21, 903259740), (28, 677444805), (30, 632281818), (35, 541955844), (36, 526901515), (42, 451629870), (45, 421521212), (60, 316140909), (63, 301086580), (70, 270977922), (84, 225814935), (90, 210760606), (105, 180651948), (126, 150543290), (140, 135488961), (180, 105380303), (210, 90325974), (252, 75271645), (315, 60217316), (420, 45162987), (630, 30108658), (1260, 15054329)]