42153750

素因数分解:

$2^1\times 3^3\times 5^4\times {\mathrm{1249}}^1$

素因数の和:1280

約数の個数: 80

約数和(自身を含む): 117150000

約数和(自身を除く): 74996250

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 90, 125, 135, 150, 225, 250, 270, 375, 450, 625, 675, 750, 1125, 1249, 1250, 1350, 1875, 2250, 2498, 3375, 3747, 3750, 5625, 6245, 6750, 7494, 11241, 11250, 12490, 16875, 18735, 22482, 31225, 33723, 33750, 37470, 56205, 62450, 67446, 93675, 112410, 156125, 168615, 187350, 281025, 312250, 337230, 468375, 562050, 780625, 843075, 936750, 1405125, 1561250, 1686150, 2341875, 2810250, 4215375, 4683750, 7025625, 8430750, 14051250, 21076875, 42153750]

約数ペア:

[(1, 42153750), (2, 21076875), (3, 14051250), (5, 8430750), (6, 7025625), (9, 4683750), (10, 4215375), (15, 2810250), (18, 2341875), (25, 1686150), (27, 1561250), (30, 1405125), (45, 936750), (50, 843075), (54, 780625), (75, 562050), (90, 468375), (125, 337230), (135, 312250), (150, 281025), (225, 187350), (250, 168615), (270, 156125), (375, 112410), (450, 93675), (625, 67446), (675, 62450), (750, 56205), (1125, 37470), (1249, 33750), (1250, 33723), (1350, 31225), (1875, 22482), (2250, 18735), (2498, 16875), (3375, 12490), (3747, 11250), (3750, 11241), (5625, 7494), (6245, 6750)]