72005520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{300023}}^1$

素因数の和:300039

約数の個数: 40

約数和(自身を含む): 223217856

約数和(自身を除く): 151212336

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 300023, 600046, 900069, 1200092, 1500115, 1800138, 2400184, 3000230, 3600276, 4500345, 4800368, 6000460, 7200552, 9000690, 12000920, 14401104, 18001380, 24001840, 36002760, 72005520]

約数ペア:

[(1, 72005520), (2, 36002760), (3, 24001840), (4, 18001380), (5, 14401104), (6, 12000920), (8, 9000690), (10, 7200552), (12, 6000460), (15, 4800368), (16, 4500345), (20, 3600276), (24, 3000230), (30, 2400184), (40, 1800138), (48, 1500115), (60, 1200092), (80, 900069), (120, 600046), (240, 300023)]