51753420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{907}}^1$

素因数の和:1239

約数の個数: 72

約数和(自身を含む): 157654224

約数和(自身を除く): 105900804

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 317, 634, 907, 951, 1268, 1585, 1814, 1902, 2721, 2853, 3170, 3628, 3804, 4535, 4755, 5442, 5706, 6340, 8163, 9070, 9510, 10884, 11412, 13605, 14265, 16326, 18140, 19020, 27210, 28530, 32652, 40815, 54420, 57060, 81630, 163260, 287519, 575038, 862557, 1150076, 1437595, 1725114, 2587671, 2875190, 3450228, 4312785, 5175342, 5750380, 8625570, 10350684, 12938355, 17251140, 25876710, 51753420]

約数ペア:

[(1, 51753420), (2, 25876710), (3, 17251140), (4, 12938355), (5, 10350684), (6, 8625570), (9, 5750380), (10, 5175342), (12, 4312785), (15, 3450228), (18, 2875190), (20, 2587671), (30, 1725114), (36, 1437595), (45, 1150076), (60, 862557), (90, 575038), (180, 287519), (317, 163260), (634, 81630), (907, 57060), (951, 54420), (1268, 40815), (1585, 32652), (1814, 28530), (1902, 27210), (2721, 19020), (2853, 18140), (3170, 16326), (3628, 14265), (3804, 13605), (4535, 11412), (4755, 10884), (5442, 9510), (5706, 9070), (6340, 8163)]