85750020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1061}}^1$

素因数の和:1525

約数の個数: 72

約数和(自身を含む): 260933400

約数和(自身を除く): 175183380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 449, 898, 1061, 1347, 1796, 2122, 2245, 2694, 3183, 4041, 4244, 4490, 5305, 5388, 6366, 6735, 8082, 8980, 9549, 10610, 12732, 13470, 15915, 16164, 19098, 20205, 21220, 26940, 31830, 38196, 40410, 47745, 63660, 80820, 95490, 190980, 476389, 952778, 1429167, 1905556, 2381945, 2858334, 4287501, 4763890, 5716668, 7145835, 8575002, 9527780, 14291670, 17150004, 21437505, 28583340, 42875010, 85750020]

約数ペア:

[(1, 85750020), (2, 42875010), (3, 28583340), (4, 21437505), (5, 17150004), (6, 14291670), (9, 9527780), (10, 8575002), (12, 7145835), (15, 5716668), (18, 4763890), (20, 4287501), (30, 2858334), (36, 2381945), (45, 1905556), (60, 1429167), (90, 952778), (180, 476389), (449, 190980), (898, 95490), (1061, 80820), (1347, 63660), (1796, 47745), (2122, 40410), (2245, 38196), (2694, 31830), (3183, 26940), (4041, 21220), (4244, 20205), (4490, 19098), (5305, 16164), (5388, 15915), (6366, 13470), (6735, 12732), (8082, 10610), (8980, 9549)]