61781220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{14923}}^1$

素因数の和:14961

約数の個数: 72

約数和(自身を含む): 195564096

約数和(自身を除く): 133782876

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 14923, 29846, 44769, 59692, 74615, 89538, 134307, 149230, 179076, 223845, 268614, 298460, 343229, 447690, 537228, 671535, 686458, 895380, 1029687, 1343070, 1372916, 1716145, 2059374, 2686140, 3089061, 3432290, 4118748, 5148435, 6178122, 6864580, 10296870, 12356244, 15445305, 20593740, 30890610, 61781220]

約数ペア:

[(1, 61781220), (2, 30890610), (3, 20593740), (4, 15445305), (5, 12356244), (6, 10296870), (9, 6864580), (10, 6178122), (12, 5148435), (15, 4118748), (18, 3432290), (20, 3089061), (23, 2686140), (30, 2059374), (36, 1716145), (45, 1372916), (46, 1343070), (60, 1029687), (69, 895380), (90, 686458), (92, 671535), (115, 537228), (138, 447690), (180, 343229), (207, 298460), (230, 268614), (276, 223845), (345, 179076), (414, 149230), (460, 134307), (690, 89538), (828, 74615), (1035, 59692), (1380, 44769), (2070, 29846), (4140, 14923)]