161557760

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:133

約数の個数: 288

約数和(自身を含む): 508220160

約数和(自身を除く): 346662400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 32, 35, 38, 40, 52, 56, 64, 65, 70, 73, 76, 80, 91, 95, 104, 112, 128, 130, 133, 140, 146, 152, 160, 182, 190, 208, 224, 247, 256, 260, 266, 280, 292, 304, 320, 364, 365, 380, 416, 448, 455, 494, 511, 520, 532, 560, 584, 608, 640, 665, 728, 730, 760, 832, 896, 910, 949, 988, 1022, 1040, 1064, 1120, 1168, 1216, 1235, 1280, 1330, 1387, 1456, 1460, 1520, 1664, 1729, 1792, 1820, 1898, 1976, 2044, 2080, 2128, 2240, 2336, 2432, 2470, 2555, 2660, 2774, 2912, 2920, 3040, 3328, 3458, 3640, 3796, 3952, 4088, 4160, 4256, 4480, 4672, 4745, 4864, 4940, 5110, 5320, 5548, 5824, 5840, 6080, 6643, 6916, 6935, 7280, 7592, 7904, 8176, 8320, 8512, 8645, 8960, 9344, 9490, 9709, 9880, 10220, 10640, 11096, 11648, 11680, 12160, 13286, 13832, 13870, 14560, 15184, 15808, 16352, 16640, 17024, 17290, 18031, 18688, 18980, 19418, 19760, 20440, 21280, 22192, 23296, 23360, 24320, 26572, 27664, 27740, 29120, 30368, 31616, 32704, 33215, 34048, 34580, 36062, 37960, 38836, 39520, 40880, 42560, 44384, 46720, 48545, 53144, 55328, 55480, 58240, 60736, 63232, 65408, 66430, 69160, 72124, 75920, 77672, 79040, 81760, 85120, 88768, 90155, 93440, 97090, 106288, 110656, 110960, 116480, 121472, 126217, 130816, 132860, 138320, 144248, 151840, 155344, 158080, 163520, 170240, 177536, 180310, 194180, 212576, 221312, 221920, 242944, 252434, 265720, 276640, 288496, 303680, 310688, 316160, 327040, 355072, 360620, 388360, 425152, 442624, 443840, 504868, 531440, 553280, 576992, 607360, 621376, 631085, 654080, 721240, 776720, 850304, 887680, 1009736, 1062880, 1106560, 1153984, 1214720, 1242752, 1262170, 1442480, 1553440, 1700608, 1775360, 2019472, 2125760, 2213120, 2307968, 2485504, 2524340, 2884960, 3106880, 4038944, 4251520, 4615936, 5048680, 5769920, 6213760, 8077888, 8503040, 10097360, 11539840, 12427520, 16155776, 20194720, 23079680, 32311552, 40389440, 80778880, 161557760]

約数ペア:

[(1, 161557760), (2, 80778880), (4, 40389440), (5, 32311552), (7, 23079680), (8, 20194720), (10, 16155776), (13, 12427520), (14, 11539840), (16, 10097360), (19, 8503040), (20, 8077888), (26, 6213760), (28, 5769920), (32, 5048680), (35, 4615936), (38, 4251520), (40, 4038944), (52, 3106880), (56, 2884960), (64, 2524340), (65, 2485504), (70, 2307968), (73, 2213120), (76, 2125760), (80, 2019472), (91, 1775360), (95, 1700608), (104, 1553440), (112, 1442480), (128, 1262170), (130, 1242752), (133, 1214720), (140, 1153984), (146, 1106560), (152, 1062880), (160, 1009736), (182, 887680), (190, 850304), (208, 776720), (224, 721240), (247, 654080), (256, 631085), (260, 621376), (266, 607360), (280, 576992), (292, 553280), (304, 531440), (320, 504868), (364, 443840), (365, 442624), (380, 425152), (416, 388360), (448, 360620), (455, 355072), (494, 327040), (511, 316160), (520, 310688), (532, 303680), (560, 288496), (584, 276640), (608, 265720), (640, 252434), (665, 242944), (728, 221920), (730, 221312), (760, 212576), (832, 194180), (896, 180310), (910, 177536), (949, 170240), (988, 163520), (1022, 158080), (1040, 155344), (1064, 151840), (1120, 144248), (1168, 138320), (1216, 132860), (1235, 130816), (1280, 126217), (1330, 121472), (1387, 116480), (1456, 110960), (1460, 110656), (1520, 106288), (1664, 97090), (1729, 93440), (1792, 90155), (1820, 88768), (1898, 85120), (1976, 81760), (2044, 79040), (2080, 77672), (2128, 75920), (2240, 72124), (2336, 69160), (2432, 66430), (2470, 65408), (2555, 63232), (2660, 60736), (2774, 58240), (2912, 55480), (2920, 55328), (3040, 53144), (3328, 48545), (3458, 46720), (3640, 44384), (3796, 42560), (3952, 40880), (4088, 39520), (4160, 38836), (4256, 37960), (4480, 36062), (4672, 34580), (4745, 34048), (4864, 33215), (4940, 32704), (5110, 31616), (5320, 30368), (5548, 29120), (5824, 27740), (5840, 27664), (6080, 26572), (6643, 24320), (6916, 23360), (6935, 23296), (7280, 22192), (7592, 21280), (7904, 20440), (8176, 19760), (8320, 19418), (8512, 18980), (8645, 18688), (8960, 18031), (9344, 17290), (9490, 17024), (9709, 16640), (9880, 16352), (10220, 15808), (10640, 15184), (11096, 14560), (11648, 13870), (11680, 13832), (12160, 13286)]