81767520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{56783}}^1$

素因数の和:56804

約数の個数: 72

約数和(自身を含む): 279036576

約数和(自身を除く): 197269056

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, 56783, 113566, 170349, 227132, 283915, 340698, 454264, 511047, 567830, 681396, 851745, 908528, 1022094, 1135660, 1362792, 1703490, 1817056, 2044188, 2271320, 2555235, 2725584, 3406980, 4088376, 4542640, 5110470, 5451168, 6813960, 8176752, 9085280, 10220940, 13627920, 16353504, 20441880, 27255840, 40883760, 81767520]

約数ペア:

[(1, 81767520), (2, 40883760), (3, 27255840), (4, 20441880), (5, 16353504), (6, 13627920), (8, 10220940), (9, 9085280), (10, 8176752), (12, 6813960), (15, 5451168), (16, 5110470), (18, 4542640), (20, 4088376), (24, 3406980), (30, 2725584), (32, 2555235), (36, 2271320), (40, 2044188), (45, 1817056), (48, 1703490), (60, 1362792), (72, 1135660), (80, 1022094), (90, 908528), (96, 851745), (120, 681396), (144, 567830), (160, 511047), (180, 454264), (240, 340698), (288, 283915), (360, 227132), (480, 170349), (720, 113566), (1440, 56783)]