320715000

素因数分解:

$2^3\times 3^2\times 5^4\times {\mathrm{7127}}^1$

素因数の和:7159

約数の個数: 120

約数和(自身を含む): 1085558760

約数和(自身を除く): 764843760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 125, 150, 180, 200, 225, 250, 300, 360, 375, 450, 500, 600, 625, 750, 900, 1000, 1125, 1250, 1500, 1800, 1875, 2250, 2500, 3000, 3750, 4500, 5000, 5625, 7127, 7500, 9000, 11250, 14254, 15000, 21381, 22500, 28508, 35635, 42762, 45000, 57016, 64143, 71270, 85524, 106905, 128286, 142540, 171048, 178175, 213810, 256572, 285080, 320715, 356350, 427620, 513144, 534525, 641430, 712700, 855240, 890875, 1069050, 1282860, 1425400, 1603575, 1781750, 2138100, 2565720, 2672625, 3207150, 3563500, 4276200, 4454375, 5345250, 6414300, 7127000, 8017875, 8908750, 10690500, 12828600, 13363125, 16035750, 17817500, 21381000, 26726250, 32071500, 35635000, 40089375, 53452500, 64143000, 80178750, 106905000, 160357500, 320715000]

約数ペア:

[(1, 320715000), (2, 160357500), (3, 106905000), (4, 80178750), (5, 64143000), (6, 53452500), (8, 40089375), (9, 35635000), (10, 32071500), (12, 26726250), (15, 21381000), (18, 17817500), (20, 16035750), (24, 13363125), (25, 12828600), (30, 10690500), (36, 8908750), (40, 8017875), (45, 7127000), (50, 6414300), (60, 5345250), (72, 4454375), (75, 4276200), (90, 3563500), (100, 3207150), (120, 2672625), (125, 2565720), (150, 2138100), (180, 1781750), (200, 1603575), (225, 1425400), (250, 1282860), (300, 1069050), (360, 890875), (375, 855240), (450, 712700), (500, 641430), (600, 534525), (625, 513144), (750, 427620), (900, 356350), (1000, 320715), (1125, 285080), (1250, 256572), (1500, 213810), (1800, 178175), (1875, 171048), (2250, 142540), (2500, 128286), (3000, 106905), (3750, 85524), (4500, 71270), (5000, 64143), (5625, 57016), (7127, 45000), (7500, 42762), (9000, 35635), (11250, 28508), (14254, 22500), (15000, 21381)]