454832720

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{503}}^1$

素因数の和:732

約数の個数: 80

約数和(自身を含む): 1079930880

約数和(自身を除く): 625098160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 127, 178, 254, 356, 445, 503, 508, 635, 712, 890, 1006, 1016, 1270, 1424, 1780, 2012, 2032, 2515, 2540, 3560, 4024, 5030, 5080, 7120, 8048, 10060, 10160, 11303, 20120, 22606, 40240, 44767, 45212, 56515, 63881, 89534, 90424, 113030, 127762, 179068, 180848, 223835, 226060, 255524, 319405, 358136, 447670, 452120, 511048, 638810, 716272, 895340, 904240, 1022096, 1277620, 1790680, 2555240, 3581360, 5110480, 5685409, 11370818, 22741636, 28427045, 45483272, 56854090, 90966544, 113708180, 227416360, 454832720]

約数ペア:

[(1, 454832720), (2, 227416360), (4, 113708180), (5, 90966544), (8, 56854090), (10, 45483272), (16, 28427045), (20, 22741636), (40, 11370818), (80, 5685409), (89, 5110480), (127, 3581360), (178, 2555240), (254, 1790680), (356, 1277620), (445, 1022096), (503, 904240), (508, 895340), (635, 716272), (712, 638810), (890, 511048), (1006, 452120), (1016, 447670), (1270, 358136), (1424, 319405), (1780, 255524), (2012, 226060), (2032, 223835), (2515, 180848), (2540, 179068), (3560, 127762), (4024, 113030), (5030, 90424), (5080, 89534), (7120, 63881), (8048, 56515), (10060, 45212), (10160, 44767), (11303, 40240), (20120, 22606)]