161570340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{21893}}^1$

素因数の和:21949

約数の個数: 72

約数和(自身を含む): 502073208

約数和(自身を除く): 340502868

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 246, 369, 410, 492, 615, 738, 820, 1230, 1476, 1845, 2460, 3690, 7380, 21893, 43786, 65679, 87572, 109465, 131358, 197037, 218930, 262716, 328395, 394074, 437860, 656790, 788148, 897613, 985185, 1313580, 1795226, 1970370, 2692839, 3590452, 3940740, 4488065, 5385678, 8078517, 8976130, 10771356, 13464195, 16157034, 17952260, 26928390, 32314068, 40392585, 53856780, 80785170, 161570340]

約数ペア:

[(1, 161570340), (2, 80785170), (3, 53856780), (4, 40392585), (5, 32314068), (6, 26928390), (9, 17952260), (10, 16157034), (12, 13464195), (15, 10771356), (18, 8976130), (20, 8078517), (30, 5385678), (36, 4488065), (41, 3940740), (45, 3590452), (60, 2692839), (82, 1970370), (90, 1795226), (123, 1313580), (164, 985185), (180, 897613), (205, 788148), (246, 656790), (369, 437860), (410, 394074), (492, 328395), (615, 262716), (738, 218930), (820, 197037), (1230, 131358), (1476, 109465), (1845, 87572), (2460, 65679), (3690, 43786), (7380, 21893)]