81542820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1597}}^1$

素因数の和:1669

約数の個数: 96

約数和(自身を含む): 244839168

約数和(自身を除く): 163296348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 37, 46, 60, 69, 74, 92, 111, 115, 138, 148, 185, 222, 230, 276, 345, 370, 444, 460, 555, 690, 740, 851, 1110, 1380, 1597, 1702, 2220, 2553, 3194, 3404, 4255, 4791, 5106, 6388, 7985, 8510, 9582, 10212, 12765, 15970, 17020, 19164, 23955, 25530, 31940, 36731, 47910, 51060, 59089, 73462, 95820, 110193, 118178, 146924, 177267, 183655, 220386, 236356, 295445, 354534, 367310, 440772, 550965, 590890, 709068, 734620, 886335, 1101930, 1181780, 1359047, 1772670, 2203860, 2718094, 3545340, 4077141, 5436188, 6795235, 8154282, 13590470, 16308564, 20385705, 27180940, 40771410, 81542820]

約数ペア:

[(1, 81542820), (2, 40771410), (3, 27180940), (4, 20385705), (5, 16308564), (6, 13590470), (10, 8154282), (12, 6795235), (15, 5436188), (20, 4077141), (23, 3545340), (30, 2718094), (37, 2203860), (46, 1772670), (60, 1359047), (69, 1181780), (74, 1101930), (92, 886335), (111, 734620), (115, 709068), (138, 590890), (148, 550965), (185, 440772), (222, 367310), (230, 354534), (276, 295445), (345, 236356), (370, 220386), (444, 183655), (460, 177267), (555, 146924), (690, 118178), (740, 110193), (851, 95820), (1110, 73462), (1380, 59089), (1597, 51060), (1702, 47910), (2220, 36731), (2553, 31940), (3194, 25530), (3404, 23955), (4255, 19164), (4791, 17020), (5106, 15970), (6388, 12765), (7985, 10212), (8510, 9582)]