212842980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{673}}^1$

素因数の和:946

約数の個数: 144

約数和(自身を含む): 741896064

約数和(自身を除く): 529053084

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 251, 252, 315, 420, 502, 630, 673, 753, 1004, 1255, 1260, 1346, 1506, 1757, 2019, 2259, 2510, 2692, 3012, 3365, 3514, 3765, 4038, 4518, 4711, 5020, 5271, 6057, 6730, 7028, 7530, 8076, 8785, 9036, 9422, 10095, 10542, 11295, 12114, 13460, 14133, 15060, 15813, 17570, 18844, 20190, 21084, 22590, 23555, 24228, 26355, 28266, 30285, 31626, 35140, 40380, 42399, 45180, 47110, 52710, 56532, 60570, 63252, 70665, 79065, 84798, 94220, 105420, 121140, 141330, 158130, 168923, 169596, 211995, 282660, 316260, 337846, 423990, 506769, 675692, 844615, 847980, 1013538, 1182461, 1520307, 1689230, 2027076, 2364922, 2533845, 3040614, 3378460, 3547383, 4729844, 5067690, 5912305, 6081228, 7094766, 7601535, 10135380, 10642149, 11824610, 14189532, 15203070, 17736915, 21284298, 23649220, 30406140, 35473830, 42568596, 53210745, 70947660, 106421490, 212842980]

約数ペア:

[(1, 212842980), (2, 106421490), (3, 70947660), (4, 53210745), (5, 42568596), (6, 35473830), (7, 30406140), (9, 23649220), (10, 21284298), (12, 17736915), (14, 15203070), (15, 14189532), (18, 11824610), (20, 10642149), (21, 10135380), (28, 7601535), (30, 7094766), (35, 6081228), (36, 5912305), (42, 5067690), (45, 4729844), (60, 3547383), (63, 3378460), (70, 3040614), (84, 2533845), (90, 2364922), (105, 2027076), (126, 1689230), (140, 1520307), (180, 1182461), (210, 1013538), (251, 847980), (252, 844615), (315, 675692), (420, 506769), (502, 423990), (630, 337846), (673, 316260), (753, 282660), (1004, 211995), (1255, 169596), (1260, 168923), (1346, 158130), (1506, 141330), (1757, 121140), (2019, 105420), (2259, 94220), (2510, 84798), (2692, 79065), (3012, 70665), (3365, 63252), (3514, 60570), (3765, 56532), (4038, 52710), (4518, 47110), (4711, 45180), (5020, 42399), (5271, 40380), (6057, 35140), (6730, 31626), (7028, 30285), (7530, 28266), (8076, 26355), (8785, 24228), (9036, 23555), (9422, 22590), (10095, 21084), (10542, 20190), (11295, 18844), (12114, 17570), (13460, 15813), (14133, 15060)]