216570900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7933}}^1$

素因数の和:7970

約数の個数: 144

約数和(自身を含む): 771311744

約数和(自身を除く): 554740844

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 25, 26, 28, 30, 35, 39, 42, 50, 52, 60, 65, 70, 75, 78, 84, 91, 100, 105, 130, 140, 150, 156, 175, 182, 195, 210, 260, 273, 300, 325, 350, 364, 390, 420, 455, 525, 546, 650, 700, 780, 910, 975, 1050, 1092, 1300, 1365, 1820, 1950, 2100, 2275, 2730, 3900, 4550, 5460, 6825, 7933, 9100, 13650, 15866, 23799, 27300, 31732, 39665, 47598, 55531, 79330, 95196, 103129, 111062, 118995, 158660, 166593, 198325, 206258, 222124, 237990, 277655, 309387, 333186, 396650, 412516, 475980, 515645, 555310, 594975, 618774, 666372, 721903, 793300, 832965, 1031290, 1110620, 1189950, 1237548, 1388275, 1443806, 1546935, 1665930, 2062580, 2165709, 2379900, 2578225, 2776550, 2887612, 3093870, 3331860, 3609515, 4164825, 4331418, 5156450, 5553100, 6187740, 7219030, 7734675, 8329650, 8662836, 10312900, 10828545, 14438060, 15469350, 16659300, 18047575, 21657090, 30938700, 36095150, 43314180, 54142725, 72190300, 108285450, 216570900]

約数ペア:

[(1, 216570900), (2, 108285450), (3, 72190300), (4, 54142725), (5, 43314180), (6, 36095150), (7, 30938700), (10, 21657090), (12, 18047575), (13, 16659300), (14, 15469350), (15, 14438060), (20, 10828545), (21, 10312900), (25, 8662836), (26, 8329650), (28, 7734675), (30, 7219030), (35, 6187740), (39, 5553100), (42, 5156450), (50, 4331418), (52, 4164825), (60, 3609515), (65, 3331860), (70, 3093870), (75, 2887612), (78, 2776550), (84, 2578225), (91, 2379900), (100, 2165709), (105, 2062580), (130, 1665930), (140, 1546935), (150, 1443806), (156, 1388275), (175, 1237548), (182, 1189950), (195, 1110620), (210, 1031290), (260, 832965), (273, 793300), (300, 721903), (325, 666372), (350, 618774), (364, 594975), (390, 555310), (420, 515645), (455, 475980), (525, 412516), (546, 396650), (650, 333186), (700, 309387), (780, 277655), (910, 237990), (975, 222124), (1050, 206258), (1092, 198325), (1300, 166593), (1365, 158660), (1820, 118995), (1950, 111062), (2100, 103129), (2275, 95196), (2730, 79330), (3900, 55531), (4550, 47598), (5460, 39665), (6825, 31732), (7933, 27300), (9100, 23799), (13650, 15866)]