51531390

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{563}}^1$

素因数の和:695

約数の個数: 80

約数和(自身を含む): 140036688

約数和(自身を除く): 88505298

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 113, 135, 162, 226, 270, 339, 405, 563, 565, 678, 810, 1017, 1126, 1130, 1689, 1695, 2034, 2815, 3051, 3378, 3390, 5067, 5085, 5630, 6102, 8445, 9153, 10134, 10170, 15201, 15255, 16890, 18306, 25335, 30402, 30510, 45603, 45765, 50670, 63619, 76005, 91206, 91530, 127238, 152010, 190857, 228015, 318095, 381714, 456030, 572571, 636190, 954285, 1145142, 1717713, 1908570, 2862855, 3435426, 5153139, 5725710, 8588565, 10306278, 17177130, 25765695, 51531390]

約数ペア:

[(1, 51531390), (2, 25765695), (3, 17177130), (5, 10306278), (6, 8588565), (9, 5725710), (10, 5153139), (15, 3435426), (18, 2862855), (27, 1908570), (30, 1717713), (45, 1145142), (54, 954285), (81, 636190), (90, 572571), (113, 456030), (135, 381714), (162, 318095), (226, 228015), (270, 190857), (339, 152010), (405, 127238), (563, 91530), (565, 91206), (678, 76005), (810, 63619), (1017, 50670), (1126, 45765), (1130, 45603), (1689, 30510), (1695, 30402), (2034, 25335), (2815, 18306), (3051, 16890), (3378, 15255), (3390, 15201), (5067, 10170), (5085, 10134), (5630, 9153), (6102, 8445)]