215646720

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{653}}^1$

素因数の和:722

約数の個数: 160

約数和(自身を含む): 706508352

約数和(自身を除く): 490861632

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 64, 80, 86, 96, 120, 128, 129, 160, 172, 192, 215, 240, 256, 258, 320, 344, 384, 430, 480, 512, 516, 640, 645, 653, 688, 768, 860, 960, 1032, 1280, 1290, 1306, 1376, 1536, 1720, 1920, 1959, 2064, 2560, 2580, 2612, 2752, 3265, 3440, 3840, 3918, 4128, 5160, 5224, 5504, 6530, 6880, 7680, 7836, 8256, 9795, 10320, 10448, 11008, 13060, 13760, 15672, 16512, 19590, 20640, 20896, 22016, 26120, 27520, 28079, 31344, 33024, 39180, 41280, 41792, 52240, 55040, 56158, 62688, 66048, 78360, 82560, 83584, 84237, 104480, 110080, 112316, 125376, 140395, 156720, 165120, 167168, 168474, 208960, 224632, 250752, 280790, 313440, 330240, 334336, 336948, 417920, 421185, 449264, 501504, 561580, 626880, 673896, 835840, 842370, 898528, 1003008, 1123160, 1253760, 1347792, 1671680, 1684740, 1797056, 2246320, 2507520, 2695584, 3369480, 3594112, 4492640, 5015040, 5391168, 6738960, 7188224, 8985280, 10782336, 13477920, 14376448, 17970560, 21564672, 26955840, 35941120, 43129344, 53911680, 71882240, 107823360, 215646720]

約数ペア:

[(1, 215646720), (2, 107823360), (3, 71882240), (4, 53911680), (5, 43129344), (6, 35941120), (8, 26955840), (10, 21564672), (12, 17970560), (15, 14376448), (16, 13477920), (20, 10782336), (24, 8985280), (30, 7188224), (32, 6738960), (40, 5391168), (43, 5015040), (48, 4492640), (60, 3594112), (64, 3369480), (80, 2695584), (86, 2507520), (96, 2246320), (120, 1797056), (128, 1684740), (129, 1671680), (160, 1347792), (172, 1253760), (192, 1123160), (215, 1003008), (240, 898528), (256, 842370), (258, 835840), (320, 673896), (344, 626880), (384, 561580), (430, 501504), (480, 449264), (512, 421185), (516, 417920), (640, 336948), (645, 334336), (653, 330240), (688, 313440), (768, 280790), (860, 250752), (960, 224632), (1032, 208960), (1280, 168474), (1290, 167168), (1306, 165120), (1376, 156720), (1536, 140395), (1720, 125376), (1920, 112316), (1959, 110080), (2064, 104480), (2560, 84237), (2580, 83584), (2612, 82560), (2752, 78360), (3265, 66048), (3440, 62688), (3840, 56158), (3918, 55040), (4128, 52240), (5160, 41792), (5224, 41280), (5504, 39180), (6530, 33024), (6880, 31344), (7680, 28079), (7836, 27520), (8256, 26120), (9795, 22016), (10320, 20896), (10448, 20640), (11008, 19590), (13060, 16512), (13760, 15672)]