205490400

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{85621}}^1$

素因数の和:85644

約数の個数: 72

約数和(自身を含む): 668879064

約数和(自身を除く): 463388664

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 120, 150, 160, 200, 240, 300, 400, 480, 600, 800, 1200, 2400, 85621, 171242, 256863, 342484, 428105, 513726, 684968, 856210, 1027452, 1284315, 1369936, 1712420, 2054904, 2140525, 2568630, 2739872, 3424840, 4109808, 4281050, 5137260, 6421575, 6849680, 8219616, 8562100, 10274520, 12843150, 13699360, 17124200, 20549040, 25686300, 34248400, 41098080, 51372600, 68496800, 102745200, 205490400]

約数ペア:

[(1, 205490400), (2, 102745200), (3, 68496800), (4, 51372600), (5, 41098080), (6, 34248400), (8, 25686300), (10, 20549040), (12, 17124200), (15, 13699360), (16, 12843150), (20, 10274520), (24, 8562100), (25, 8219616), (30, 6849680), (32, 6421575), (40, 5137260), (48, 4281050), (50, 4109808), (60, 3424840), (75, 2739872), (80, 2568630), (96, 2140525), (100, 2054904), (120, 1712420), (150, 1369936), (160, 1284315), (200, 1027452), (240, 856210), (300, 684968), (400, 513726), (480, 428105), (600, 342484), (800, 256863), (1200, 171242), (2400, 85621)]