1988103690

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{439}}^1\times {\mathrm{5591}}^1$

素因数の和:6049

約数の個数: 80

約数和(自身を含む): 5358925440

約数和(自身を除く): 3370821750

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 439, 810, 878, 1317, 2195, 2634, 3951, 4390, 5591, 6585, 7902, 11182, 11853, 13170, 16773, 19755, 23706, 27955, 33546, 35559, 39510, 50319, 55910, 59265, 71118, 83865, 100638, 118530, 150957, 167730, 177795, 251595, 301914, 355590, 452871, 503190, 754785, 905742, 1509570, 2264355, 2454449, 4528710, 4908898, 7363347, 12272245, 14726694, 22090041, 24544490, 36816735, 44180082, 66270123, 73633470, 110450205, 132540246, 198810369, 220900410, 331350615, 397620738, 662701230, 994051845, 1988103690]

約数ペア:

[(1, 1988103690), (2, 994051845), (3, 662701230), (5, 397620738), (6, 331350615), (9, 220900410), (10, 198810369), (15, 132540246), (18, 110450205), (27, 73633470), (30, 66270123), (45, 44180082), (54, 36816735), (81, 24544490), (90, 22090041), (135, 14726694), (162, 12272245), (270, 7363347), (405, 4908898), (439, 4528710), (810, 2454449), (878, 2264355), (1317, 1509570), (2195, 905742), (2634, 754785), (3951, 503190), (4390, 452871), (5591, 355590), (6585, 301914), (7902, 251595), (11182, 177795), (11853, 167730), (13170, 150957), (16773, 118530), (19755, 100638), (23706, 83865), (27955, 71118), (33546, 59265), (35559, 55910), (39510, 50319)]