254707920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{433}}^1$

素因数の和:514

約数の個数: 240

約数和(自身を含む): 923482560

約数和(自身を除く): 668774640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 43, 45, 48, 57, 60, 72, 76, 80, 86, 90, 95, 114, 120, 129, 144, 152, 171, 172, 180, 190, 215, 228, 240, 258, 285, 304, 342, 344, 360, 380, 387, 430, 433, 456, 516, 570, 645, 684, 688, 720, 760, 774, 817, 855, 860, 866, 912, 1032, 1140, 1290, 1299, 1368, 1520, 1548, 1634, 1710, 1720, 1732, 1935, 2064, 2165, 2280, 2451, 2580, 2598, 2736, 3096, 3268, 3420, 3440, 3464, 3870, 3897, 4085, 4330, 4560, 4902, 5160, 5196, 6192, 6495, 6536, 6840, 6928, 7353, 7740, 7794, 8170, 8227, 8660, 9804, 10320, 10392, 12255, 12990, 13072, 13680, 14706, 15480, 15588, 16340, 16454, 17320, 18619, 19485, 19608, 20784, 24510, 24681, 25980, 29412, 30960, 31176, 32680, 32908, 34640, 36765, 37238, 38970, 39216, 41135, 49020, 49362, 51960, 55857, 58824, 62352, 65360, 65816, 73530, 74043, 74476, 77940, 82270, 93095, 98040, 98724, 103920, 111714, 117648, 123405, 131632, 147060, 148086, 148952, 155880, 164540, 167571, 186190, 196080, 197448, 223428, 246810, 279285, 294120, 296172, 297904, 311760, 329080, 335142, 353761, 370215, 372380, 394896, 446856, 493620, 558570, 588240, 592344, 658160, 670284, 707522, 740430, 744760, 837855, 893712, 987240, 1061283, 1117140, 1184688, 1340568, 1415044, 1480860, 1489520, 1675710, 1768805, 1974480, 2122566, 2234280, 2681136, 2830088, 2961720, 3183849, 3351420, 3537610, 4245132, 4468560, 5306415, 5660176, 5923440, 6367698, 6702840, 7075220, 8490264, 10612830, 12735396, 13405680, 14150440, 15919245, 16980528, 21225660, 25470792, 28300880, 31838490, 42451320, 50941584, 63676980, 84902640, 127353960, 254707920]

約数ペア:

[(1, 254707920), (2, 127353960), (3, 84902640), (4, 63676980), (5, 50941584), (6, 42451320), (8, 31838490), (9, 28300880), (10, 25470792), (12, 21225660), (15, 16980528), (16, 15919245), (18, 14150440), (19, 13405680), (20, 12735396), (24, 10612830), (30, 8490264), (36, 7075220), (38, 6702840), (40, 6367698), (43, 5923440), (45, 5660176), (48, 5306415), (57, 4468560), (60, 4245132), (72, 3537610), (76, 3351420), (80, 3183849), (86, 2961720), (90, 2830088), (95, 2681136), (114, 2234280), (120, 2122566), (129, 1974480), (144, 1768805), (152, 1675710), (171, 1489520), (172, 1480860), (180, 1415044), (190, 1340568), (215, 1184688), (228, 1117140), (240, 1061283), (258, 987240), (285, 893712), (304, 837855), (342, 744760), (344, 740430), (360, 707522), (380, 670284), (387, 658160), (430, 592344), (433, 588240), (456, 558570), (516, 493620), (570, 446856), (645, 394896), (684, 372380), (688, 370215), (720, 353761), (760, 335142), (774, 329080), (817, 311760), (855, 297904), (860, 296172), (866, 294120), (912, 279285), (1032, 246810), (1140, 223428), (1290, 197448), (1299, 196080), (1368, 186190), (1520, 167571), (1548, 164540), (1634, 155880), (1710, 148952), (1720, 148086), (1732, 147060), (1935, 131632), (2064, 123405), (2165, 117648), (2280, 111714), (2451, 103920), (2580, 98724), (2598, 98040), (2736, 93095), (3096, 82270), (3268, 77940), (3420, 74476), (3440, 74043), (3464, 73530), (3870, 65816), (3897, 65360), (4085, 62352), (4330, 58824), (4560, 55857), (4902, 51960), (5160, 49362), (5196, 49020), (6192, 41135), (6495, 39216), (6536, 38970), (6840, 37238), (6928, 36765), (7353, 34640), (7740, 32908), (7794, 32680), (8170, 31176), (8227, 30960), (8660, 29412), (9804, 25980), (10320, 24681), (10392, 24510), (12255, 20784), (12990, 19608), (13072, 19485), (13680, 18619), (14706, 17320), (15480, 16454), (15588, 16340)]