220327920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{306011}}^1$

素因数の和:306030

約数の個数: 60

約数和(自身を含む): 739937016

約数和(自身を除く): 519609096

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 306011, 612022, 918033, 1224044, 1530055, 1836066, 2448088, 2754099, 3060110, 3672132, 4590165, 4896176, 5508198, 6120220, 7344264, 9180330, 11016396, 12240440, 13770495, 14688528, 18360660, 22032792, 24480880, 27540990, 36721320, 44065584, 55081980, 73442640, 110163960, 220327920]

約数ペア:

[(1, 220327920), (2, 110163960), (3, 73442640), (4, 55081980), (5, 44065584), (6, 36721320), (8, 27540990), (9, 24480880), (10, 22032792), (12, 18360660), (15, 14688528), (16, 13770495), (18, 12240440), (20, 11016396), (24, 9180330), (30, 7344264), (36, 6120220), (40, 5508198), (45, 4896176), (48, 4590165), (60, 3672132), (72, 3060110), (80, 2754099), (90, 2448088), (120, 1836066), (144, 1530055), (180, 1224044), (240, 918033), (360, 612022), (720, 306011)]