217296540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21179}}^1$

素因数の和:21216

約数の個数: 96

約数和(自身を含む): 711648000

約数和(自身を除く): 494351460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 285, 342, 380, 513, 540, 570, 684, 855, 1026, 1140, 1710, 2052, 2565, 3420, 5130, 10260, 21179, 42358, 63537, 84716, 105895, 127074, 190611, 211790, 254148, 317685, 381222, 402401, 423580, 571833, 635370, 762444, 804802, 953055, 1143666, 1207203, 1270740, 1609604, 1906110, 2012005, 2287332, 2414406, 2859165, 3621609, 3812220, 4024010, 4828812, 5718330, 6036015, 7243218, 8048020, 10864827, 11436660, 12072030, 14486436, 18108045, 21729654, 24144060, 36216090, 43459308, 54324135, 72432180, 108648270, 217296540]

約数ペア:

[(1, 217296540), (2, 108648270), (3, 72432180), (4, 54324135), (5, 43459308), (6, 36216090), (9, 24144060), (10, 21729654), (12, 18108045), (15, 14486436), (18, 12072030), (19, 11436660), (20, 10864827), (27, 8048020), (30, 7243218), (36, 6036015), (38, 5718330), (45, 4828812), (54, 4024010), (57, 3812220), (60, 3621609), (76, 2859165), (90, 2414406), (95, 2287332), (108, 2012005), (114, 1906110), (135, 1609604), (171, 1270740), (180, 1207203), (190, 1143666), (228, 953055), (270, 804802), (285, 762444), (342, 635370), (380, 571833), (513, 423580), (540, 402401), (570, 381222), (684, 317685), (855, 254148), (1026, 211790), (1140, 190611), (1710, 127074), (2052, 105895), (2565, 84716), (3420, 63537), (5130, 42358), (10260, 21179)]