998647380

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{205483}}^1$

素因数の和:205507

約数の個数: 72

約数和(自身を含む): 3141439392

約数和(自身を除く): 2142792012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 205483, 410966, 616449, 821932, 1027415, 1232898, 1849347, 2054830, 2465796, 3082245, 3698694, 4109660, 5548041, 6164490, 7397388, 9246735, 11096082, 12328980, 16644123, 18493470, 22192164, 27740205, 33288246, 36986940, 49932369, 55480410, 66576492, 83220615, 99864738, 110960820, 166441230, 199729476, 249661845, 332882460, 499323690, 998647380]

約数ペア:

[(1, 998647380), (2, 499323690), (3, 332882460), (4, 249661845), (5, 199729476), (6, 166441230), (9, 110960820), (10, 99864738), (12, 83220615), (15, 66576492), (18, 55480410), (20, 49932369), (27, 36986940), (30, 33288246), (36, 27740205), (45, 22192164), (54, 18493470), (60, 16644123), (81, 12328980), (90, 11096082), (108, 9246735), (135, 7397388), (162, 6164490), (180, 5548041), (243, 4109660), (270, 3698694), (324, 3082245), (405, 2465796), (486, 2054830), (540, 1849347), (810, 1232898), (972, 1027415), (1215, 821932), (1620, 616449), (2430, 410966), (4860, 205483)]