51561300

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{571}}^1$

素因数の和:638

約数の個数: 144

約数和(自身を含む): 174766592

約数和(自身を除く): 123205292

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 43, 50, 60, 70, 75, 84, 86, 100, 105, 129, 140, 150, 172, 175, 210, 215, 258, 300, 301, 350, 420, 430, 516, 525, 571, 602, 645, 700, 860, 903, 1050, 1075, 1142, 1204, 1290, 1505, 1713, 1806, 2100, 2150, 2284, 2580, 2855, 3010, 3225, 3426, 3612, 3997, 4300, 4515, 5710, 6020, 6450, 6852, 7525, 7994, 8565, 9030, 11420, 11991, 12900, 14275, 15050, 15988, 17130, 18060, 19985, 22575, 23982, 24553, 28550, 30100, 34260, 39970, 42825, 45150, 47964, 49106, 57100, 59955, 73659, 79940, 85650, 90300, 98212, 99925, 119910, 122765, 147318, 171300, 171871, 199850, 239820, 245530, 294636, 299775, 343742, 368295, 399700, 491060, 515613, 599550, 613825, 687484, 736590, 859355, 1031226, 1199100, 1227650, 1473180, 1718710, 1841475, 2062452, 2455300, 2578065, 3437420, 3682950, 4296775, 5156130, 7365900, 8593550, 10312260, 12890325, 17187100, 25780650, 51561300]

約数ペア:

[(1, 51561300), (2, 25780650), (3, 17187100), (4, 12890325), (5, 10312260), (6, 8593550), (7, 7365900), (10, 5156130), (12, 4296775), (14, 3682950), (15, 3437420), (20, 2578065), (21, 2455300), (25, 2062452), (28, 1841475), (30, 1718710), (35, 1473180), (42, 1227650), (43, 1199100), (50, 1031226), (60, 859355), (70, 736590), (75, 687484), (84, 613825), (86, 599550), (100, 515613), (105, 491060), (129, 399700), (140, 368295), (150, 343742), (172, 299775), (175, 294636), (210, 245530), (215, 239820), (258, 199850), (300, 171871), (301, 171300), (350, 147318), (420, 122765), (430, 119910), (516, 99925), (525, 98212), (571, 90300), (602, 85650), (645, 79940), (700, 73659), (860, 59955), (903, 57100), (1050, 49106), (1075, 47964), (1142, 45150), (1204, 42825), (1290, 39970), (1505, 34260), (1713, 30100), (1806, 28550), (2100, 24553), (2150, 23982), (2284, 22575), (2580, 19985), (2855, 18060), (3010, 17130), (3225, 15988), (3426, 15050), (3612, 14275), (3997, 12900), (4300, 11991), (4515, 11420), (5710, 9030), (6020, 8565), (6450, 7994), (6852, 7525)]