239519280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{997}}^1$

素因数の和:1044

約数の個数: 320

約数和(自身を含む): 997936128

約数和(自身を除く): 758416848

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 16, 20, 21, 22, 24, 26, 28, 30, 33, 35, 39, 40, 42, 44, 48, 52, 55, 56, 60, 65, 66, 70, 77, 78, 80, 84, 88, 91, 104, 105, 110, 112, 120, 130, 132, 140, 143, 154, 156, 165, 168, 176, 182, 195, 208, 210, 220, 231, 240, 260, 264, 273, 280, 286, 308, 312, 330, 336, 364, 385, 390, 420, 429, 440, 455, 462, 520, 528, 546, 560, 572, 616, 624, 660, 715, 728, 770, 780, 840, 858, 880, 910, 924, 997, 1001, 1040, 1092, 1144, 1155, 1232, 1320, 1365, 1430, 1456, 1540, 1560, 1680, 1716, 1820, 1848, 1994, 2002, 2145, 2184, 2288, 2310, 2640, 2730, 2860, 2991, 3003, 3080, 3120, 3432, 3640, 3696, 3988, 4004, 4290, 4368, 4620, 4985, 5005, 5460, 5720, 5982, 6006, 6160, 6864, 6979, 7280, 7976, 8008, 8580, 9240, 9970, 10010, 10920, 10967, 11440, 11964, 12012, 12961, 13958, 14955, 15015, 15952, 16016, 17160, 18480, 19940, 20020, 20937, 21840, 21934, 23928, 24024, 25922, 27916, 29910, 30030, 32901, 34320, 34895, 38883, 39880, 40040, 41874, 43868, 47856, 48048, 51844, 54835, 55832, 59820, 60060, 64805, 65802, 69790, 76769, 77766, 79760, 80080, 83748, 87736, 90727, 103688, 104685, 109670, 111664, 119640, 120120, 129610, 131604, 139580, 142571, 153538, 155532, 164505, 167496, 175472, 181454, 194415, 207376, 209370, 219340, 230307, 239280, 240240, 259220, 263208, 272181, 279160, 285142, 307076, 311064, 329010, 334992, 362908, 383845, 388830, 418740, 427713, 438680, 453635, 460614, 518440, 526416, 544362, 558320, 570284, 614152, 622128, 658020, 712855, 725816, 767690, 777660, 837480, 855426, 877360, 907270, 921228, 997997, 1036880, 1088724, 1140568, 1151535, 1228304, 1316040, 1360905, 1425710, 1451632, 1535380, 1555320, 1674960, 1710852, 1814540, 1842456, 1995994, 2138565, 2177448, 2281136, 2303070, 2632080, 2721810, 2851420, 2993991, 3070760, 3110640, 3421704, 3629080, 3684912, 3991988, 4277130, 4354896, 4606140, 4989985, 5443620, 5702840, 5987982, 6141520, 6843408, 7258160, 7983976, 8554260, 9212280, 9979970, 10887240, 11405680, 11975964, 14969955, 15967952, 17108520, 18424560, 19959940, 21774480, 23951928, 29939910, 34217040, 39919880, 47903856, 59879820, 79839760, 119759640, 239519280]

約数ペア:

[(1, 239519280), (2, 119759640), (3, 79839760), (4, 59879820), (5, 47903856), (6, 39919880), (7, 34217040), (8, 29939910), (10, 23951928), (11, 21774480), (12, 19959940), (13, 18424560), (14, 17108520), (15, 15967952), (16, 14969955), (20, 11975964), (21, 11405680), (22, 10887240), (24, 9979970), (26, 9212280), (28, 8554260), (30, 7983976), (33, 7258160), (35, 6843408), (39, 6141520), (40, 5987982), (42, 5702840), (44, 5443620), (48, 4989985), (52, 4606140), (55, 4354896), (56, 4277130), (60, 3991988), (65, 3684912), (66, 3629080), (70, 3421704), (77, 3110640), (78, 3070760), (80, 2993991), (84, 2851420), (88, 2721810), (91, 2632080), (104, 2303070), (105, 2281136), (110, 2177448), (112, 2138565), (120, 1995994), (130, 1842456), (132, 1814540), (140, 1710852), (143, 1674960), (154, 1555320), (156, 1535380), (165, 1451632), (168, 1425710), (176, 1360905), (182, 1316040), (195, 1228304), (208, 1151535), (210, 1140568), (220, 1088724), (231, 1036880), (240, 997997), (260, 921228), (264, 907270), (273, 877360), (280, 855426), (286, 837480), (308, 777660), (312, 767690), (330, 725816), (336, 712855), (364, 658020), (385, 622128), (390, 614152), (420, 570284), (429, 558320), (440, 544362), (455, 526416), (462, 518440), (520, 460614), (528, 453635), (546, 438680), (560, 427713), (572, 418740), (616, 388830), (624, 383845), (660, 362908), (715, 334992), (728, 329010), (770, 311064), (780, 307076), (840, 285142), (858, 279160), (880, 272181), (910, 263208), (924, 259220), (997, 240240), (1001, 239280), (1040, 230307), (1092, 219340), (1144, 209370), (1155, 207376), (1232, 194415), (1320, 181454), (1365, 175472), (1430, 167496), (1456, 164505), (1540, 155532), (1560, 153538), (1680, 142571), (1716, 139580), (1820, 131604), (1848, 129610), (1994, 120120), (2002, 119640), (2145, 111664), (2184, 109670), (2288, 104685), (2310, 103688), (2640, 90727), (2730, 87736), (2860, 83748), (2991, 80080), (3003, 79760), (3080, 77766), (3120, 76769), (3432, 69790), (3640, 65802), (3696, 64805), (3988, 60060), (4004, 59820), (4290, 55832), (4368, 54835), (4620, 51844), (4985, 48048), (5005, 47856), (5460, 43868), (5720, 41874), (5982, 40040), (6006, 39880), (6160, 38883), (6864, 34895), (6979, 34320), (7280, 32901), (7976, 30030), (8008, 29910), (8580, 27916), (9240, 25922), (9970, 24024), (10010, 23928), (10920, 21934), (10967, 21840), (11440, 20937), (11964, 20020), (12012, 19940), (12961, 18480), (13958, 17160), (14955, 16016), (15015, 15952)]