55775720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1$

素因数の和:248

約数の個数: 192

約数和(自身を含む): 172368000

約数和(自身を除く): 116592280

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 49, 52, 55, 56, 65, 70, 77, 88, 91, 98, 104, 110, 130, 140, 143, 154, 182, 196, 199, 220, 245, 260, 280, 286, 308, 364, 385, 392, 398, 440, 455, 490, 520, 539, 572, 616, 637, 715, 728, 770, 796, 910, 980, 995, 1001, 1078, 1144, 1274, 1393, 1430, 1540, 1592, 1820, 1960, 1990, 2002, 2156, 2189, 2548, 2587, 2695, 2786, 2860, 3080, 3185, 3640, 3980, 4004, 4312, 4378, 5005, 5096, 5174, 5390, 5572, 5720, 6370, 6965, 7007, 7960, 8008, 8756, 9751, 10010, 10348, 10780, 10945, 11144, 12740, 12935, 13930, 14014, 15323, 17512, 18109, 19502, 20020, 20696, 21560, 21890, 25480, 25870, 27860, 28028, 28457, 30646, 35035, 36218, 39004, 40040, 43780, 48755, 51740, 55720, 56056, 56914, 61292, 70070, 72436, 76615, 78008, 87560, 90545, 97510, 103480, 107261, 113828, 122584, 126763, 140140, 142285, 144872, 153230, 181090, 195020, 199199, 214522, 227656, 253526, 280280, 284570, 306460, 362180, 390040, 398398, 429044, 507052, 536305, 569140, 612920, 633815, 724360, 796796, 858088, 995995, 1014104, 1072610, 1138280, 1267630, 1394393, 1593592, 1991990, 2145220, 2535260, 2788786, 3983980, 4290440, 5070520, 5577572, 6971965, 7967960, 11155144, 13943930, 27887860, 55775720]

約数ペア:

[(1, 55775720), (2, 27887860), (4, 13943930), (5, 11155144), (7, 7967960), (8, 6971965), (10, 5577572), (11, 5070520), (13, 4290440), (14, 3983980), (20, 2788786), (22, 2535260), (26, 2145220), (28, 1991990), (35, 1593592), (40, 1394393), (44, 1267630), (49, 1138280), (52, 1072610), (55, 1014104), (56, 995995), (65, 858088), (70, 796796), (77, 724360), (88, 633815), (91, 612920), (98, 569140), (104, 536305), (110, 507052), (130, 429044), (140, 398398), (143, 390040), (154, 362180), (182, 306460), (196, 284570), (199, 280280), (220, 253526), (245, 227656), (260, 214522), (280, 199199), (286, 195020), (308, 181090), (364, 153230), (385, 144872), (392, 142285), (398, 140140), (440, 126763), (455, 122584), (490, 113828), (520, 107261), (539, 103480), (572, 97510), (616, 90545), (637, 87560), (715, 78008), (728, 76615), (770, 72436), (796, 70070), (910, 61292), (980, 56914), (995, 56056), (1001, 55720), (1078, 51740), (1144, 48755), (1274, 43780), (1393, 40040), (1430, 39004), (1540, 36218), (1592, 35035), (1820, 30646), (1960, 28457), (1990, 28028), (2002, 27860), (2156, 25870), (2189, 25480), (2548, 21890), (2587, 21560), (2695, 20696), (2786, 20020), (2860, 19502), (3080, 18109), (3185, 17512), (3640, 15323), (3980, 14014), (4004, 13930), (4312, 12935), (4378, 12740), (5005, 11144), (5096, 10945), (5174, 10780), (5390, 10348), (5572, 10010), (5720, 9751), (6370, 8756), (6965, 8008), (7007, 7960)]