179666920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{1543}}^1$

素因数の和:1666

約数の個数: 64

約数和(自身を含む): 420215040

約数和(自身を除く): 240548120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 71, 82, 142, 164, 205, 284, 328, 355, 410, 568, 710, 820, 1420, 1543, 1640, 2840, 2911, 3086, 5822, 6172, 7715, 11644, 12344, 14555, 15430, 23288, 29110, 30860, 58220, 61720, 63263, 109553, 116440, 126526, 219106, 253052, 316315, 438212, 506104, 547765, 632630, 876424, 1095530, 1265260, 2191060, 2530520, 4382120, 4491673, 8983346, 17966692, 22458365, 35933384, 44916730, 89833460, 179666920]

約数ペア:

[(1, 179666920), (2, 89833460), (4, 44916730), (5, 35933384), (8, 22458365), (10, 17966692), (20, 8983346), (40, 4491673), (41, 4382120), (71, 2530520), (82, 2191060), (142, 1265260), (164, 1095530), (205, 876424), (284, 632630), (328, 547765), (355, 506104), (410, 438212), (568, 316315), (710, 253052), (820, 219106), (1420, 126526), (1543, 116440), (1640, 109553), (2840, 63263), (2911, 61720), (3086, 58220), (5822, 30860), (6172, 29110), (7715, 23288), (11644, 15430), (12344, 14555)]