181996920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{72221}}^1$

素因数の和:72245

約数の個数: 96

約数和(自身を含む): 675997920

約数和(自身を除く): 494001000

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, 72221, 144442, 216663, 288884, 361105, 433326, 505547, 577768, 649989, 722210, 866652, 1011094, 1083315, 1299978, 1444420, 1516641, 1733304, 2022188, 2166630, 2527735, 2599956, 2888840, 3033282, 3249945, 4044376, 4333260, 4549923, 5055470, 5199912, 6066564, 6499890, 7583205, 8666520, 9099846, 10110940, 12133128, 12999780, 15166410, 18199692, 20221880, 22749615, 25999560, 30332820, 36399384, 45499230, 60665640, 90998460, 181996920]

約数ペア:

[(1, 181996920), (2, 90998460), (3, 60665640), (4, 45499230), (5, 36399384), (6, 30332820), (7, 25999560), (8, 22749615), (9, 20221880), (10, 18199692), (12, 15166410), (14, 12999780), (15, 12133128), (18, 10110940), (20, 9099846), (21, 8666520), (24, 7583205), (28, 6499890), (30, 6066564), (35, 5199912), (36, 5055470), (40, 4549923), (42, 4333260), (45, 4044376), (56, 3249945), (60, 3033282), (63, 2888840), (70, 2599956), (72, 2527735), (84, 2166630), (90, 2022188), (105, 1733304), (120, 1516641), (126, 1444420), (140, 1299978), (168, 1083315), (180, 1011094), (210, 866652), (252, 722210), (280, 649989), (315, 577768), (360, 505547), (420, 433326), (504, 361105), (630, 288884), (840, 216663), (1260, 144442), (2520, 72221)]