719969760

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{499979}}^1$

素因数の和:500000

約数の個数: 72

約数和(自身を含む): 2456901720

約数和(自身を除く): 1736931960

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, 499979, 999958, 1499937, 1999916, 2499895, 2999874, 3999832, 4499811, 4999790, 5999748, 7499685, 7999664, 8999622, 9999580, 11999496, 14999370, 15999328, 17999244, 19999160, 22499055, 23998992, 29998740, 35998488, 39998320, 44998110, 47997984, 59997480, 71996976, 79996640, 89996220, 119994960, 143993952, 179992440, 239989920, 359984880, 719969760]

約数ペア:

[(1, 719969760), (2, 359984880), (3, 239989920), (4, 179992440), (5, 143993952), (6, 119994960), (8, 89996220), (9, 79996640), (10, 71996976), (12, 59997480), (15, 47997984), (16, 44998110), (18, 39998320), (20, 35998488), (24, 29998740), (30, 23998992), (32, 22499055), (36, 19999160), (40, 17999244), (45, 15999328), (48, 14999370), (60, 11999496), (72, 9999580), (80, 8999622), (90, 7999664), (96, 7499685), (120, 5999748), (144, 4999790), (160, 4499811), (180, 3999832), (240, 2999874), (288, 2499895), (360, 1999916), (480, 1499937), (720, 999958), (1440, 499979)]