655126480

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{463}}^1\times {\mathrm{769}}^1$

素因数の和:1268

約数の個数: 80

約数和(自身を含む): 1594897920

約数和(自身を除く): 939771440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 463, 769, 920, 926, 1538, 1840, 1852, 2315, 3076, 3704, 3845, 4630, 6152, 7408, 7690, 9260, 10649, 12304, 15380, 17687, 18520, 21298, 30760, 35374, 37040, 42596, 53245, 61520, 70748, 85192, 88435, 106490, 141496, 170384, 176870, 212980, 282992, 353740, 356047, 425960, 707480, 712094, 851920, 1414960, 1424188, 1780235, 2848376, 3560470, 5696752, 7120940, 8189081, 14241880, 16378162, 28483760, 32756324, 40945405, 65512648, 81890810, 131025296, 163781620, 327563240, 655126480]

約数ペア:

[(1, 655126480), (2, 327563240), (4, 163781620), (5, 131025296), (8, 81890810), (10, 65512648), (16, 40945405), (20, 32756324), (23, 28483760), (40, 16378162), (46, 14241880), (80, 8189081), (92, 7120940), (115, 5696752), (184, 3560470), (230, 2848376), (368, 1780235), (460, 1424188), (463, 1414960), (769, 851920), (920, 712094), (926, 707480), (1538, 425960), (1840, 356047), (1852, 353740), (2315, 282992), (3076, 212980), (3704, 176870), (3845, 170384), (4630, 141496), (6152, 106490), (7408, 88435), (7690, 85192), (9260, 70748), (10649, 61520), (12304, 53245), (15380, 42596), (17687, 37040), (18520, 35374), (21298, 30760)]