254243840

素因数分解:

$2^{10}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:192

約数の個数: 176

約数和(自身を含む): 679145472

約数和(自身を除く): 424901632

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 32, 34, 40, 46, 64, 68, 80, 85, 92, 115, 127, 128, 136, 160, 170, 184, 230, 254, 256, 272, 320, 340, 368, 391, 460, 508, 512, 544, 635, 640, 680, 736, 782, 920, 1016, 1024, 1088, 1270, 1280, 1360, 1472, 1564, 1840, 1955, 2032, 2159, 2176, 2540, 2560, 2720, 2921, 2944, 3128, 3680, 3910, 4064, 4318, 4352, 5080, 5120, 5440, 5842, 5888, 6256, 7360, 7820, 8128, 8636, 8704, 10160, 10795, 10880, 11684, 11776, 12512, 14605, 14720, 15640, 16256, 17272, 17408, 20320, 21590, 21760, 23368, 23552, 25024, 29210, 29440, 31280, 32512, 34544, 40640, 43180, 43520, 46736, 49657, 50048, 58420, 58880, 62560, 65024, 69088, 81280, 86360, 87040, 93472, 99314, 100096, 116840, 117760, 125120, 130048, 138176, 162560, 172720, 186944, 198628, 200192, 233680, 248285, 250240, 276352, 325120, 345440, 373888, 397256, 400384, 467360, 496570, 500480, 552704, 650240, 690880, 747776, 794512, 934720, 993140, 1000960, 1105408, 1381760, 1495552, 1589024, 1869440, 1986280, 2001920, 2210816, 2763520, 2991104, 3178048, 3738880, 3972560, 5527040, 6356096, 7477760, 7945120, 11054080, 12712192, 14955520, 15890240, 25424384, 31780480, 50848768, 63560960, 127121920, 254243840]

約数ペア:

[(1, 254243840), (2, 127121920), (4, 63560960), (5, 50848768), (8, 31780480), (10, 25424384), (16, 15890240), (17, 14955520), (20, 12712192), (23, 11054080), (32, 7945120), (34, 7477760), (40, 6356096), (46, 5527040), (64, 3972560), (68, 3738880), (80, 3178048), (85, 2991104), (92, 2763520), (115, 2210816), (127, 2001920), (128, 1986280), (136, 1869440), (160, 1589024), (170, 1495552), (184, 1381760), (230, 1105408), (254, 1000960), (256, 993140), (272, 934720), (320, 794512), (340, 747776), (368, 690880), (391, 650240), (460, 552704), (508, 500480), (512, 496570), (544, 467360), (635, 400384), (640, 397256), (680, 373888), (736, 345440), (782, 325120), (920, 276352), (1016, 250240), (1024, 248285), (1088, 233680), (1270, 200192), (1280, 198628), (1360, 186944), (1472, 172720), (1564, 162560), (1840, 138176), (1955, 130048), (2032, 125120), (2159, 117760), (2176, 116840), (2540, 100096), (2560, 99314), (2720, 93472), (2921, 87040), (2944, 86360), (3128, 81280), (3680, 69088), (3910, 65024), (4064, 62560), (4318, 58880), (4352, 58420), (5080, 50048), (5120, 49657), (5440, 46736), (5842, 43520), (5888, 43180), (6256, 40640), (7360, 34544), (7820, 32512), (8128, 31280), (8636, 29440), (8704, 29210), (10160, 25024), (10795, 23552), (10880, 23368), (11684, 21760), (11776, 21590), (12512, 20320), (14605, 17408), (14720, 17272), (15640, 16256)]