67940820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4241}}^1$

素因数の和:4345

約数の個数: 72

約数和(自身を含む): 208451880

約数和(自身を除く): 140511060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 534, 801, 890, 1068, 1335, 1602, 1780, 2670, 3204, 4005, 4241, 5340, 8010, 8482, 12723, 16020, 16964, 21205, 25446, 38169, 42410, 50892, 63615, 76338, 84820, 127230, 152676, 190845, 254460, 377449, 381690, 754898, 763380, 1132347, 1509796, 1887245, 2264694, 3397041, 3774490, 4529388, 5661735, 6794082, 7548980, 11323470, 13588164, 16985205, 22646940, 33970410, 67940820]

約数ペア:

[(1, 67940820), (2, 33970410), (3, 22646940), (4, 16985205), (5, 13588164), (6, 11323470), (9, 7548980), (10, 6794082), (12, 5661735), (15, 4529388), (18, 3774490), (20, 3397041), (30, 2264694), (36, 1887245), (45, 1509796), (60, 1132347), (89, 763380), (90, 754898), (178, 381690), (180, 377449), (267, 254460), (356, 190845), (445, 152676), (534, 127230), (801, 84820), (890, 76338), (1068, 63615), (1335, 50892), (1602, 42410), (1780, 38169), (2670, 25446), (3204, 21205), (4005, 16964), (4241, 16020), (5340, 12723), (8010, 8482)]