340448220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1721}}^1$

素因数の和:1900

約数の個数: 144

約数和(自身を含む): 1188427968

約数和(自身を除く): 847979748

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, 157, 180, 210, 252, 314, 315, 420, 471, 628, 630, 785, 942, 1099, 1260, 1413, 1570, 1721, 1884, 2198, 2355, 2826, 3140, 3297, 3442, 4396, 4710, 5163, 5495, 5652, 6594, 6884, 7065, 8605, 9420, 9891, 10326, 10990, 12047, 13188, 14130, 15489, 16485, 17210, 19782, 20652, 21980, 24094, 25815, 28260, 30978, 32970, 34420, 36141, 39564, 48188, 49455, 51630, 60235, 61956, 65940, 72282, 77445, 98910, 103260, 108423, 120470, 144564, 154890, 180705, 197820, 216846, 240940, 270197, 309780, 361410, 433692, 540394, 542115, 722820, 810591, 1080788, 1084230, 1350985, 1621182, 1891379, 2168460, 2431773, 2701970, 3242364, 3782758, 4052955, 4863546, 5403940, 5674137, 7565516, 8105910, 9456895, 9727092, 11348274, 12158865, 16211820, 17022411, 18913790, 22696548, 24317730, 28370685, 34044822, 37827580, 48635460, 56741370, 68089644, 85112055, 113482740, 170224110, 340448220]

約数ペア:

[(1, 340448220), (2, 170224110), (3, 113482740), (4, 85112055), (5, 68089644), (6, 56741370), (7, 48635460), (9, 37827580), (10, 34044822), (12, 28370685), (14, 24317730), (15, 22696548), (18, 18913790), (20, 17022411), (21, 16211820), (28, 12158865), (30, 11348274), (35, 9727092), (36, 9456895), (42, 8105910), (45, 7565516), (60, 5674137), (63, 5403940), (70, 4863546), (84, 4052955), (90, 3782758), (105, 3242364), (126, 2701970), (140, 2431773), (157, 2168460), (180, 1891379), (210, 1621182), (252, 1350985), (314, 1084230), (315, 1080788), (420, 810591), (471, 722820), (628, 542115), (630, 540394), (785, 433692), (942, 361410), (1099, 309780), (1260, 270197), (1413, 240940), (1570, 216846), (1721, 197820), (1884, 180705), (2198, 154890), (2355, 144564), (2826, 120470), (3140, 108423), (3297, 103260), (3442, 98910), (4396, 77445), (4710, 72282), (5163, 65940), (5495, 61956), (5652, 60235), (6594, 51630), (6884, 49455), (7065, 48188), (8605, 39564), (9420, 36141), (9891, 34420), (10326, 32970), (10990, 30978), (12047, 28260), (13188, 25815), (14130, 24094), (15489, 21980), (16485, 20652), (17210, 19782)]