81246810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1613}}^1$

素因数の和:1719

約数の個数: 64

約数和(自身を含む): 206385408

約数和(自身を除く): 125138598

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 73, 115, 138, 146, 219, 230, 345, 365, 438, 690, 730, 1095, 1613, 1679, 2190, 3226, 3358, 4839, 5037, 8065, 8395, 9678, 10074, 16130, 16790, 24195, 25185, 37099, 48390, 50370, 74198, 111297, 117749, 185495, 222594, 235498, 353247, 370990, 556485, 588745, 706494, 1112970, 1177490, 1766235, 2708227, 3532470, 5416454, 8124681, 13541135, 16249362, 27082270, 40623405, 81246810]

約数ペア:

[(1, 81246810), (2, 40623405), (3, 27082270), (5, 16249362), (6, 13541135), (10, 8124681), (15, 5416454), (23, 3532470), (30, 2708227), (46, 1766235), (69, 1177490), (73, 1112970), (115, 706494), (138, 588745), (146, 556485), (219, 370990), (230, 353247), (345, 235498), (365, 222594), (438, 185495), (690, 117749), (730, 111297), (1095, 74198), (1613, 50370), (1679, 48390), (2190, 37099), (3226, 25185), (3358, 24195), (4839, 16790), (5037, 16130), (8065, 10074), (8395, 9678)]