720776550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{28433}}^1$

素因数の和:28474

約数の個数: 72

約数和(自身を含む): 1935672984

約数和(自身を除く): 1214896434

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 169, 195, 325, 338, 390, 507, 650, 845, 975, 1014, 1690, 1950, 2535, 4225, 5070, 8450, 12675, 25350, 28433, 56866, 85299, 142165, 170598, 284330, 369629, 426495, 710825, 739258, 852990, 1108887, 1421650, 1848145, 2132475, 2217774, 3696290, 4264950, 4805177, 5544435, 9240725, 9610354, 11088870, 14415531, 18481450, 24025885, 27722175, 28831062, 48051770, 55444350, 72077655, 120129425, 144155310, 240258850, 360388275, 720776550]

約数ペア:

[(1, 720776550), (2, 360388275), (3, 240258850), (5, 144155310), (6, 120129425), (10, 72077655), (13, 55444350), (15, 48051770), (25, 28831062), (26, 27722175), (30, 24025885), (39, 18481450), (50, 14415531), (65, 11088870), (75, 9610354), (78, 9240725), (130, 5544435), (150, 4805177), (169, 4264950), (195, 3696290), (325, 2217774), (338, 2132475), (390, 1848145), (507, 1421650), (650, 1108887), (845, 852990), (975, 739258), (1014, 710825), (1690, 426495), (1950, 369629), (2535, 284330), (4225, 170598), (5070, 142165), (8450, 85299), (12675, 56866), (25350, 28433)]