405427860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{6491}}^1$

素因数の和:6853

約数の個数: 72

約数和(自身を含む): 1233531936

約数和(自身を除く): 828104076

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 347, 694, 1041, 1388, 1735, 2082, 3123, 3470, 4164, 5205, 6246, 6491, 6940, 10410, 12492, 12982, 15615, 19473, 20820, 25964, 31230, 32455, 38946, 58419, 62460, 64910, 77892, 97365, 116838, 129820, 194730, 233676, 292095, 389460, 584190, 1168380, 2252377, 4504754, 6757131, 9009508, 11261885, 13514262, 20271393, 22523770, 27028524, 33785655, 40542786, 45047540, 67571310, 81085572, 101356965, 135142620, 202713930, 405427860]

約数ペア:

[(1, 405427860), (2, 202713930), (3, 135142620), (4, 101356965), (5, 81085572), (6, 67571310), (9, 45047540), (10, 40542786), (12, 33785655), (15, 27028524), (18, 22523770), (20, 20271393), (30, 13514262), (36, 11261885), (45, 9009508), (60, 6757131), (90, 4504754), (180, 2252377), (347, 1168380), (694, 584190), (1041, 389460), (1388, 292095), (1735, 233676), (2082, 194730), (3123, 129820), (3470, 116838), (4164, 97365), (5205, 77892), (6246, 64910), (6491, 62460), (6940, 58419), (10410, 38946), (12492, 32455), (12982, 31230), (15615, 25964), (19473, 20820)]