145887440

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:396

約数の個数: 80

約数和(自身を含む): 347977728

約数和(自身を除く): 202090288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 127, 166, 173, 254, 332, 346, 415, 508, 635, 664, 692, 830, 865, 1016, 1270, 1328, 1384, 1660, 1730, 2032, 2540, 2768, 3320, 3460, 5080, 6640, 6920, 10160, 10541, 13840, 14359, 21082, 21971, 28718, 42164, 43942, 52705, 57436, 71795, 84328, 87884, 105410, 109855, 114872, 143590, 168656, 175768, 210820, 219710, 229744, 287180, 351536, 421640, 439420, 574360, 843280, 878840, 1148720, 1757680, 1823593, 3647186, 7294372, 9117965, 14588744, 18235930, 29177488, 36471860, 72943720, 145887440]

約数ペア:

[(1, 145887440), (2, 72943720), (4, 36471860), (5, 29177488), (8, 18235930), (10, 14588744), (16, 9117965), (20, 7294372), (40, 3647186), (80, 1823593), (83, 1757680), (127, 1148720), (166, 878840), (173, 843280), (254, 574360), (332, 439420), (346, 421640), (415, 351536), (508, 287180), (635, 229744), (664, 219710), (692, 210820), (830, 175768), (865, 168656), (1016, 143590), (1270, 114872), (1328, 109855), (1384, 105410), (1660, 87884), (1730, 84328), (2032, 71795), (2540, 57436), (2768, 52705), (3320, 43942), (3460, 42164), (5080, 28718), (6640, 21971), (6920, 21082), (10160, 14359), (10541, 13840)]