80180480

素因数分解:

$2^8\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1693}}^1$

素因数の和:1751

約数の個数: 72

約数和(自身を含む): 197364552

約数和(自身を除く): 117184072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 256, 296, 320, 370, 592, 640, 740, 1184, 1280, 1480, 1693, 2368, 2960, 3386, 4736, 5920, 6772, 8465, 9472, 11840, 13544, 16930, 23680, 27088, 33860, 47360, 54176, 62641, 67720, 108352, 125282, 135440, 216704, 250564, 270880, 313205, 433408, 501128, 541760, 626410, 1002256, 1083520, 1252820, 2004512, 2167040, 2505640, 4009024, 5011280, 8018048, 10022560, 16036096, 20045120, 40090240, 80180480]

約数ペア:

[(1, 80180480), (2, 40090240), (4, 20045120), (5, 16036096), (8, 10022560), (10, 8018048), (16, 5011280), (20, 4009024), (32, 2505640), (37, 2167040), (40, 2004512), (64, 1252820), (74, 1083520), (80, 1002256), (128, 626410), (148, 541760), (160, 501128), (185, 433408), (256, 313205), (296, 270880), (320, 250564), (370, 216704), (592, 135440), (640, 125282), (740, 108352), (1184, 67720), (1280, 62641), (1480, 54176), (1693, 47360), (2368, 33860), (2960, 27088), (3386, 23680), (4736, 16930), (5920, 13544), (6772, 11840), (8465, 9472)]