2019610980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{24989}}^1$

素因数の和:25453

約数の個数: 72

約数和(自身を含む): 6140043000

約数和(自身を除く): 4120432020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 449, 898, 1347, 1796, 2245, 2694, 4041, 4490, 5388, 6735, 8082, 8980, 13470, 16164, 20205, 24989, 26940, 40410, 49978, 74967, 80820, 99956, 124945, 149934, 224901, 249890, 299868, 374835, 449802, 499780, 749670, 899604, 1124505, 1499340, 2249010, 4498020, 11220061, 22440122, 33660183, 44880244, 56100305, 67320366, 100980549, 112200610, 134640732, 168300915, 201961098, 224401220, 336601830, 403922196, 504902745, 673203660, 1009805490, 2019610980]

約数ペア:

[(1, 2019610980), (2, 1009805490), (3, 673203660), (4, 504902745), (5, 403922196), (6, 336601830), (9, 224401220), (10, 201961098), (12, 168300915), (15, 134640732), (18, 112200610), (20, 100980549), (30, 67320366), (36, 56100305), (45, 44880244), (60, 33660183), (90, 22440122), (180, 11220061), (449, 4498020), (898, 2249010), (1347, 1499340), (1796, 1124505), (2245, 899604), (2694, 749670), (4041, 499780), (4490, 449802), (5388, 374835), (6735, 299868), (8082, 249890), (8980, 224901), (13470, 149934), (16164, 124945), (20205, 99956), (24989, 80820), (26940, 74967), (40410, 49978)]