40642380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9817}}^1$

素因数の和:9855

約数の個数: 72

約数和(自身を含む): 128655072

約数和(自身を除く): 88012692

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, 9817, 19634, 29451, 39268, 49085, 58902, 88353, 98170, 117804, 147255, 176706, 196340, 225791, 294510, 353412, 441765, 451582, 589020, 677373, 883530, 903164, 1128955, 1354746, 1767060, 2032119, 2257910, 2709492, 3386865, 4064238, 4515820, 6773730, 8128476, 10160595, 13547460, 20321190, 40642380]

約数ペア:

[(1, 40642380), (2, 20321190), (3, 13547460), (4, 10160595), (5, 8128476), (6, 6773730), (9, 4515820), (10, 4064238), (12, 3386865), (15, 2709492), (18, 2257910), (20, 2032119), (23, 1767060), (30, 1354746), (36, 1128955), (45, 903164), (46, 883530), (60, 677373), (69, 589020), (90, 451582), (92, 441765), (115, 353412), (138, 294510), (180, 225791), (207, 196340), (230, 176706), (276, 147255), (345, 117804), (414, 98170), (460, 88353), (690, 58902), (828, 49085), (1035, 39268), (1380, 29451), (2070, 19634), (4140, 9817)]