820913040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{1140157}}^1$

素因数の和:1140176

約数の個数: 60

約数和(自身を含む): 2756902044

約数和(自身を除く): 1935989004

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 1140157, 2280314, 3420471, 4560628, 5700785, 6840942, 9121256, 10261413, 11401570, 13681884, 17102355, 18242512, 20522826, 22803140, 27363768, 34204710, 41045652, 45606280, 51307065, 54727536, 68409420, 82091304, 91212560, 102614130, 136818840, 164182608, 205228260, 273637680, 410456520, 820913040]

約数ペア:

[(1, 820913040), (2, 410456520), (3, 273637680), (4, 205228260), (5, 164182608), (6, 136818840), (8, 102614130), (9, 91212560), (10, 82091304), (12, 68409420), (15, 54727536), (16, 51307065), (18, 45606280), (20, 41045652), (24, 34204710), (30, 27363768), (36, 22803140), (40, 20522826), (45, 18242512), (48, 17102355), (60, 13681884), (72, 11401570), (80, 10261413), (90, 9121256), (120, 6840942), (144, 5700785), (180, 4560628), (240, 3420471), (360, 2280314), (720, 1140157)]