2561991840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{1779161}}^1$

素因数の和:1779182

約数の個数: 72

約数和(自身を含む): 8742802068

約数和(自身を除く): 6180810228

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 1779161, 3558322, 5337483, 7116644, 8895805, 10674966, 14233288, 16012449, 17791610, 21349932, 26687415, 28466576, 32024898, 35583220, 42699864, 53374830, 56933152, 64049796, 71166440, 80062245, 85399728, 106749660, 128099592, 142332880, 160124490, 170799456, 213499320, 256199184, 284665760, 320248980, 426998640, 512398368, 640497960, 853997280, 1280995920, 2561991840]

約数ペア:

[(1, 2561991840), (2, 1280995920), (3, 853997280), (4, 640497960), (5, 512398368), (6, 426998640), (8, 320248980), (9, 284665760), (10, 256199184), (12, 213499320), (15, 170799456), (16, 160124490), (18, 142332880), (20, 128099592), (24, 106749660), (30, 85399728), (32, 80062245), (36, 71166440), (40, 64049796), (45, 56933152), (48, 53374830), (60, 42699864), (72, 35583220), (80, 32024898), (90, 28466576), (96, 26687415), (120, 21349932), (144, 17791610), (160, 16012449), (180, 14233288), (240, 10674966), (288, 8895805), (360, 7116644), (480, 5337483), (720, 3558322), (1440, 1779161)]