1720019520

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:298

約数の個数: 336

約数和(自身を含む): 6150912768

約数和(自身を除く): 4430893248

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 47, 48, 60, 64, 72, 80, 90, 94, 96, 97, 120, 131, 141, 144, 160, 180, 188, 192, 194, 235, 240, 262, 282, 288, 291, 320, 360, 376, 388, 393, 423, 470, 480, 485, 524, 564, 576, 582, 655, 705, 720, 752, 776, 786, 846, 873, 940, 960, 970, 1048, 1128, 1164, 1179, 1310, 1410, 1440, 1455, 1504, 1552, 1572, 1692, 1746, 1880, 1940, 1965, 2096, 2115, 2256, 2328, 2358, 2620, 2820, 2880, 2910, 3008, 3104, 3144, 3384, 3492, 3760, 3880, 3930, 4192, 4230, 4365, 4512, 4559, 4656, 4716, 5240, 5640, 5820, 5895, 6157, 6208, 6288, 6768, 6984, 7520, 7760, 7860, 8384, 8460, 8730, 9024, 9118, 9312, 9432, 10480, 11280, 11640, 11790, 12314, 12576, 12707, 13536, 13677, 13968, 15040, 15520, 15720, 16920, 17460, 18236, 18471, 18624, 18864, 20960, 22560, 22795, 23280, 23580, 24628, 25152, 25414, 27072, 27354, 27936, 30785, 31040, 31440, 33840, 34920, 36472, 36942, 37728, 38121, 41031, 41920, 45120, 45590, 46560, 47160, 49256, 50828, 54708, 55413, 55872, 61570, 62880, 63535, 67680, 68385, 69840, 72944, 73884, 75456, 76242, 82062, 91180, 92355, 93120, 94320, 98512, 101656, 109416, 110826, 114363, 123140, 125760, 127070, 135360, 136770, 139680, 145888, 147768, 152484, 164124, 182360, 184710, 188640, 190605, 197024, 203312, 205155, 218832, 221652, 228726, 246280, 254140, 273540, 277065, 279360, 291776, 295536, 304968, 328248, 364720, 369420, 377280, 381210, 394048, 406624, 410310, 437664, 443304, 457452, 492560, 508280, 547080, 554130, 571815, 591072, 597229, 609936, 656496, 729440, 738840, 762420, 813248, 820620, 875328, 886608, 914904, 985120, 1016560, 1094160, 1108260, 1143630, 1182144, 1194458, 1219872, 1312992, 1458880, 1477680, 1524840, 1641240, 1773216, 1791687, 1829808, 1970240, 2033120, 2188320, 2216520, 2287260, 2388916, 2439744, 2625984, 2955360, 2986145, 3049680, 3282480, 3546432, 3583374, 3659616, 4066240, 4376640, 4433040, 4574520, 4777832, 5375061, 5910720, 5972290, 6099360, 6564960, 7166748, 7319232, 8866080, 8958435, 9149040, 9555664, 10750122, 11944580, 12198720, 13129920, 14333496, 17732160, 17916870, 18298080, 19111328, 21500244, 23889160, 26875305, 28666992, 35833740, 36596160, 38222656, 43000488, 47778320, 53750610, 57333984, 71667480, 86000976, 95556640, 107501220, 114667968, 143334960, 172001952, 191113280, 215002440, 286669920, 344003904, 430004880, 573339840, 860009760, 1720019520]

約数ペア:

[(1, 1720019520), (2, 860009760), (3, 573339840), (4, 430004880), (5, 344003904), (6, 286669920), (8, 215002440), (9, 191113280), (10, 172001952), (12, 143334960), (15, 114667968), (16, 107501220), (18, 95556640), (20, 86000976), (24, 71667480), (30, 57333984), (32, 53750610), (36, 47778320), (40, 43000488), (45, 38222656), (47, 36596160), (48, 35833740), (60, 28666992), (64, 26875305), (72, 23889160), (80, 21500244), (90, 19111328), (94, 18298080), (96, 17916870), (97, 17732160), (120, 14333496), (131, 13129920), (141, 12198720), (144, 11944580), (160, 10750122), (180, 9555664), (188, 9149040), (192, 8958435), (194, 8866080), (235, 7319232), (240, 7166748), (262, 6564960), (282, 6099360), (288, 5972290), (291, 5910720), (320, 5375061), (360, 4777832), (376, 4574520), (388, 4433040), (393, 4376640), (423, 4066240), (470, 3659616), (480, 3583374), (485, 3546432), (524, 3282480), (564, 3049680), (576, 2986145), (582, 2955360), (655, 2625984), (705, 2439744), (720, 2388916), (752, 2287260), (776, 2216520), (786, 2188320), (846, 2033120), (873, 1970240), (940, 1829808), (960, 1791687), (970, 1773216), (1048, 1641240), (1128, 1524840), (1164, 1477680), (1179, 1458880), (1310, 1312992), (1410, 1219872), (1440, 1194458), (1455, 1182144), (1504, 1143630), (1552, 1108260), (1572, 1094160), (1692, 1016560), (1746, 985120), (1880, 914904), (1940, 886608), (1965, 875328), (2096, 820620), (2115, 813248), (2256, 762420), (2328, 738840), (2358, 729440), (2620, 656496), (2820, 609936), (2880, 597229), (2910, 591072), (3008, 571815), (3104, 554130), (3144, 547080), (3384, 508280), (3492, 492560), (3760, 457452), (3880, 443304), (3930, 437664), (4192, 410310), (4230, 406624), (4365, 394048), (4512, 381210), (4559, 377280), (4656, 369420), (4716, 364720), (5240, 328248), (5640, 304968), (5820, 295536), (5895, 291776), (6157, 279360), (6208, 277065), (6288, 273540), (6768, 254140), (6984, 246280), (7520, 228726), (7760, 221652), (7860, 218832), (8384, 205155), (8460, 203312), (8730, 197024), (9024, 190605), (9118, 188640), (9312, 184710), (9432, 182360), (10480, 164124), (11280, 152484), (11640, 147768), (11790, 145888), (12314, 139680), (12576, 136770), (12707, 135360), (13536, 127070), (13677, 125760), (13968, 123140), (15040, 114363), (15520, 110826), (15720, 109416), (16920, 101656), (17460, 98512), (18236, 94320), (18471, 93120), (18624, 92355), (18864, 91180), (20960, 82062), (22560, 76242), (22795, 75456), (23280, 73884), (23580, 72944), (24628, 69840), (25152, 68385), (25414, 67680), (27072, 63535), (27354, 62880), (27936, 61570), (30785, 55872), (31040, 55413), (31440, 54708), (33840, 50828), (34920, 49256), (36472, 47160), (36942, 46560), (37728, 45590), (38121, 45120), (41031, 41920)]