64818720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{45013}}^1$

素因数の和:45034

約数の個数: 72

約数和(自身を含む): 221198796

約数和(自身を除く): 156380076

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, 45013, 90026, 135039, 180052, 225065, 270078, 360104, 405117, 450130, 540156, 675195, 720208, 810234, 900260, 1080312, 1350390, 1440416, 1620468, 1800520, 2025585, 2160624, 2700780, 3240936, 3601040, 4051170, 4321248, 5401560, 6481872, 7202080, 8102340, 10803120, 12963744, 16204680, 21606240, 32409360, 64818720]

約数ペア:

[(1, 64818720), (2, 32409360), (3, 21606240), (4, 16204680), (5, 12963744), (6, 10803120), (8, 8102340), (9, 7202080), (10, 6481872), (12, 5401560), (15, 4321248), (16, 4051170), (18, 3601040), (20, 3240936), (24, 2700780), (30, 2160624), (32, 2025585), (36, 1800520), (40, 1620468), (45, 1440416), (48, 1350390), (60, 1080312), (72, 900260), (80, 810234), (90, 720208), (96, 675195), (120, 540156), (144, 450130), (160, 405117), (180, 360104), (240, 270078), (288, 225065), (360, 180052), (480, 135039), (720, 90026), (1440, 45013)]