131621280

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{911}}^1$

素因数の和:979

約数の個数: 192

約数和(自身を含む): 485388288

約数和(自身を除く): 353767008

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 43, 48, 56, 60, 70, 80, 84, 86, 96, 105, 112, 120, 129, 140, 160, 168, 172, 210, 215, 224, 240, 258, 280, 301, 336, 344, 420, 430, 480, 516, 560, 602, 645, 672, 688, 840, 860, 903, 911, 1032, 1120, 1204, 1290, 1376, 1505, 1680, 1720, 1806, 1822, 2064, 2408, 2580, 2733, 3010, 3360, 3440, 3612, 3644, 4128, 4515, 4555, 4816, 5160, 5466, 6020, 6377, 6880, 7224, 7288, 9030, 9110, 9632, 10320, 10932, 12040, 12754, 13665, 14448, 14576, 18060, 18220, 19131, 20640, 21864, 24080, 25508, 27330, 28896, 29152, 31885, 36120, 36440, 38262, 39173, 43728, 48160, 51016, 54660, 63770, 72240, 72880, 76524, 78346, 87456, 95655, 102032, 109320, 117519, 127540, 144480, 145760, 153048, 156692, 191310, 195865, 204064, 218640, 235038, 255080, 274211, 306096, 313384, 382620, 391730, 437280, 470076, 510160, 548422, 587595, 612192, 626768, 765240, 783460, 822633, 940152, 1020320, 1096844, 1175190, 1253536, 1371055, 1530480, 1566920, 1645266, 1880304, 2193688, 2350380, 2742110, 3060960, 3133840, 3290532, 3760608, 4113165, 4387376, 4700760, 5484220, 6267680, 6581064, 8226330, 8774752, 9401520, 10968440, 13162128, 16452660, 18803040, 21936880, 26324256, 32905320, 43873760, 65810640, 131621280]

約数ペア:

[(1, 131621280), (2, 65810640), (3, 43873760), (4, 32905320), (5, 26324256), (6, 21936880), (7, 18803040), (8, 16452660), (10, 13162128), (12, 10968440), (14, 9401520), (15, 8774752), (16, 8226330), (20, 6581064), (21, 6267680), (24, 5484220), (28, 4700760), (30, 4387376), (32, 4113165), (35, 3760608), (40, 3290532), (42, 3133840), (43, 3060960), (48, 2742110), (56, 2350380), (60, 2193688), (70, 1880304), (80, 1645266), (84, 1566920), (86, 1530480), (96, 1371055), (105, 1253536), (112, 1175190), (120, 1096844), (129, 1020320), (140, 940152), (160, 822633), (168, 783460), (172, 765240), (210, 626768), (215, 612192), (224, 587595), (240, 548422), (258, 510160), (280, 470076), (301, 437280), (336, 391730), (344, 382620), (420, 313384), (430, 306096), (480, 274211), (516, 255080), (560, 235038), (602, 218640), (645, 204064), (672, 195865), (688, 191310), (840, 156692), (860, 153048), (903, 145760), (911, 144480), (1032, 127540), (1120, 117519), (1204, 109320), (1290, 102032), (1376, 95655), (1505, 87456), (1680, 78346), (1720, 76524), (1806, 72880), (1822, 72240), (2064, 63770), (2408, 54660), (2580, 51016), (2733, 48160), (3010, 43728), (3360, 39173), (3440, 38262), (3612, 36440), (3644, 36120), (4128, 31885), (4515, 29152), (4555, 28896), (4816, 27330), (5160, 25508), (5466, 24080), (6020, 21864), (6377, 20640), (6880, 19131), (7224, 18220), (7288, 18060), (9030, 14576), (9110, 14448), (9632, 13665), (10320, 12754), (10932, 12040)]