198376920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{78721}}^1$

素因数の和:78745

約数の個数: 96

約数和(自身を含む): 736837920

約数和(自身を除く): 538461000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 78721, 157442, 236163, 314884, 393605, 472326, 551047, 629768, 708489, 787210, 944652, 1102094, 1180815, 1416978, 1574420, 1653141, 1889304, 2204188, 2361630, 2755235, 2833956, 3148840, 3306282, 3542445, 4408376, 4723260, 4959423, 5510470, 5667912, 6612564, 7084890, 8265705, 9446520, 9918846, 11020940, 13225128, 14169780, 16531410, 19837692, 22041880, 24797115, 28339560, 33062820, 39675384, 49594230, 66125640, 99188460, 198376920]

約数ペア:

[(1, 198376920), (2, 99188460), (3, 66125640), (4, 49594230), (5, 39675384), (6, 33062820), (7, 28339560), (8, 24797115), (9, 22041880), (10, 19837692), (12, 16531410), (14, 14169780), (15, 13225128), (18, 11020940), (20, 9918846), (21, 9446520), (24, 8265705), (28, 7084890), (30, 6612564), (35, 5667912), (36, 5510470), (40, 4959423), (42, 4723260), (45, 4408376), (56, 3542445), (60, 3306282), (63, 3148840), (70, 2833956), (72, 2755235), (84, 2361630), (90, 2204188), (105, 1889304), (120, 1653141), (126, 1574420), (140, 1416978), (168, 1180815), (180, 1102094), (210, 944652), (252, 787210), (280, 708489), (315, 629768), (360, 551047), (420, 472326), (504, 393605), (630, 314884), (840, 236163), (1260, 157442), (2520, 78721)]