128564480

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:452

約数の個数: 144

約数和(自身を含む): 351437184

約数和(自身を除く): 222872704

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 32, 40, 44, 46, 55, 64, 80, 88, 92, 110, 115, 128, 160, 176, 184, 220, 230, 253, 256, 320, 352, 368, 397, 440, 460, 506, 640, 704, 736, 794, 880, 920, 1012, 1265, 1280, 1408, 1472, 1588, 1760, 1840, 1985, 2024, 2530, 2816, 2944, 3176, 3520, 3680, 3970, 4048, 4367, 5060, 5888, 6352, 7040, 7360, 7940, 8096, 8734, 9131, 10120, 12704, 14080, 14720, 15880, 16192, 17468, 18262, 20240, 21835, 25408, 29440, 31760, 32384, 34936, 36524, 40480, 43670, 45655, 50816, 63520, 64768, 69872, 73048, 80960, 87340, 91310, 100441, 101632, 127040, 139744, 146096, 161920, 174680, 182620, 200882, 254080, 279488, 292192, 323840, 349360, 365240, 401764, 502205, 508160, 558976, 584384, 698720, 730480, 803528, 1004410, 1117952, 1168768, 1397440, 1460960, 1607056, 2008820, 2337536, 2794880, 2921920, 3214112, 4017640, 5589760, 5843840, 6428224, 8035280, 11687680, 12856448, 16070560, 25712896, 32141120, 64282240, 128564480]

約数ペア:

[(1, 128564480), (2, 64282240), (4, 32141120), (5, 25712896), (8, 16070560), (10, 12856448), (11, 11687680), (16, 8035280), (20, 6428224), (22, 5843840), (23, 5589760), (32, 4017640), (40, 3214112), (44, 2921920), (46, 2794880), (55, 2337536), (64, 2008820), (80, 1607056), (88, 1460960), (92, 1397440), (110, 1168768), (115, 1117952), (128, 1004410), (160, 803528), (176, 730480), (184, 698720), (220, 584384), (230, 558976), (253, 508160), (256, 502205), (320, 401764), (352, 365240), (368, 349360), (397, 323840), (440, 292192), (460, 279488), (506, 254080), (640, 200882), (704, 182620), (736, 174680), (794, 161920), (880, 146096), (920, 139744), (1012, 127040), (1265, 101632), (1280, 100441), (1408, 91310), (1472, 87340), (1588, 80960), (1760, 73048), (1840, 69872), (1985, 64768), (2024, 63520), (2530, 50816), (2816, 45655), (2944, 43670), (3176, 40480), (3520, 36524), (3680, 34936), (3970, 32384), (4048, 31760), (4367, 29440), (5060, 25408), (5888, 21835), (6352, 20240), (7040, 18262), (7360, 17468), (7940, 16192), (8096, 15880), (8734, 14720), (9131, 14080), (10120, 12704)]