221477120

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7523}}^1$

素因数の和:7567

約数の個数: 72

約数和(自身を含む): 553646016

約数和(自身を除く): 332168896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 640, 736, 920, 1280, 1472, 1840, 2944, 3680, 5888, 7360, 7523, 14720, 15046, 29440, 30092, 37615, 60184, 75230, 120368, 150460, 173029, 240736, 300920, 346058, 481472, 601840, 692116, 865145, 962944, 1203680, 1384232, 1730290, 1925888, 2407360, 2768464, 3460580, 4814720, 5536928, 6921160, 9629440, 11073856, 13842320, 22147712, 27684640, 44295424, 55369280, 110738560, 221477120]

約数ペア:

[(1, 221477120), (2, 110738560), (4, 55369280), (5, 44295424), (8, 27684640), (10, 22147712), (16, 13842320), (20, 11073856), (23, 9629440), (32, 6921160), (40, 5536928), (46, 4814720), (64, 3460580), (80, 2768464), (92, 2407360), (115, 1925888), (128, 1730290), (160, 1384232), (184, 1203680), (230, 962944), (256, 865145), (320, 692116), (368, 601840), (460, 481472), (640, 346058), (736, 300920), (920, 240736), (1280, 173029), (1472, 150460), (1840, 120368), (2944, 75230), (3680, 60184), (5888, 37615), (7360, 30092), (7523, 29440), (14720, 15046)]