28318290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:105

約数の個数: 256

約数和(自身を含む): 97542144

約数和(自身を除く): 69223854

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 13, 14, 15, 21, 22, 23, 26, 30, 33, 35, 39, 41, 42, 46, 55, 65, 66, 69, 70, 77, 78, 82, 91, 105, 110, 115, 123, 130, 138, 143, 154, 161, 165, 182, 195, 205, 210, 230, 231, 246, 253, 273, 286, 287, 299, 322, 330, 345, 385, 390, 410, 429, 451, 455, 462, 483, 506, 533, 546, 574, 598, 615, 690, 715, 759, 770, 805, 858, 861, 897, 902, 910, 943, 966, 1001, 1066, 1155, 1230, 1265, 1353, 1365, 1430, 1435, 1495, 1518, 1599, 1610, 1722, 1771, 1794, 1886, 2002, 2093, 2145, 2255, 2310, 2415, 2530, 2665, 2706, 2730, 2829, 2870, 2990, 3003, 3157, 3198, 3289, 3542, 3731, 3795, 4186, 4290, 4305, 4485, 4510, 4715, 4830, 5005, 5313, 5330, 5658, 5863, 6006, 6279, 6314, 6578, 6601, 6765, 7462, 7590, 7995, 8610, 8855, 8970, 9430, 9471, 9867, 10010, 10373, 10465, 10626, 11193, 11726, 12259, 12558, 13202, 13530, 14145, 15015, 15785, 15990, 16445, 17589, 17710, 18655, 18942, 19734, 19803, 20746, 20930, 22386, 23023, 24518, 26565, 28290, 29315, 30030, 31119, 31395, 31570, 32890, 33005, 35178, 36777, 37310, 39606, 41041, 46046, 47355, 49335, 51865, 53130, 55965, 58630, 61295, 62238, 62790, 66010, 69069, 72611, 73554, 82082, 85813, 87945, 94710, 98670, 99015, 103730, 111930, 115115, 122590, 123123, 134849, 138138, 145222, 155595, 171626, 175890, 183885, 198030, 205205, 217833, 230230, 246246, 257439, 269698, 311190, 345345, 363055, 367770, 404547, 410410, 429065, 435666, 514878, 615615, 674245, 690690, 726110, 809094, 858130, 943943, 1089165, 1231230, 1287195, 1348490, 1887886, 2022735, 2178330, 2574390, 2831829, 4045470, 4719715, 5663658, 9439430, 14159145, 28318290]

約数ペア:

[(1, 28318290), (2, 14159145), (3, 9439430), (5, 5663658), (6, 4719715), (7, 4045470), (10, 2831829), (11, 2574390), (13, 2178330), (14, 2022735), (15, 1887886), (21, 1348490), (22, 1287195), (23, 1231230), (26, 1089165), (30, 943943), (33, 858130), (35, 809094), (39, 726110), (41, 690690), (42, 674245), (46, 615615), (55, 514878), (65, 435666), (66, 429065), (69, 410410), (70, 404547), (77, 367770), (78, 363055), (82, 345345), (91, 311190), (105, 269698), (110, 257439), (115, 246246), (123, 230230), (130, 217833), (138, 205205), (143, 198030), (154, 183885), (161, 175890), (165, 171626), (182, 155595), (195, 145222), (205, 138138), (210, 134849), (230, 123123), (231, 122590), (246, 115115), (253, 111930), (273, 103730), (286, 99015), (287, 98670), (299, 94710), (322, 87945), (330, 85813), (345, 82082), (385, 73554), (390, 72611), (410, 69069), (429, 66010), (451, 62790), (455, 62238), (462, 61295), (483, 58630), (506, 55965), (533, 53130), (546, 51865), (574, 49335), (598, 47355), (615, 46046), (690, 41041), (715, 39606), (759, 37310), (770, 36777), (805, 35178), (858, 33005), (861, 32890), (897, 31570), (902, 31395), (910, 31119), (943, 30030), (966, 29315), (1001, 28290), (1066, 26565), (1155, 24518), (1230, 23023), (1265, 22386), (1353, 20930), (1365, 20746), (1430, 19803), (1435, 19734), (1495, 18942), (1518, 18655), (1599, 17710), (1610, 17589), (1722, 16445), (1771, 15990), (1794, 15785), (1886, 15015), (2002, 14145), (2093, 13530), (2145, 13202), (2255, 12558), (2310, 12259), (2415, 11726), (2530, 11193), (2665, 10626), (2706, 10465), (2730, 10373), (2829, 10010), (2870, 9867), (2990, 9471), (3003, 9430), (3157, 8970), (3198, 8855), (3289, 8610), (3542, 7995), (3731, 7590), (3795, 7462), (4186, 6765), (4290, 6601), (4305, 6578), (4485, 6314), (4510, 6279), (4715, 6006), (4830, 5863), (5005, 5658), (5313, 5330)]