85821440

素因数分解:

$2^{11}\times 5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1$

素因数の和:90

約数の個数: 144

約数和(自身を含む): 226289700

約数和(自身を除く): 140468260

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 32, 34, 40, 58, 64, 68, 80, 85, 116, 128, 136, 145, 160, 170, 232, 256, 272, 289, 290, 320, 340, 464, 493, 512, 544, 578, 580, 640, 680, 928, 986, 1024, 1088, 1156, 1160, 1280, 1360, 1445, 1856, 1972, 2048, 2176, 2312, 2320, 2465, 2560, 2720, 2890, 3712, 3944, 4352, 4624, 4640, 4930, 5120, 5440, 5780, 7424, 7888, 8381, 8704, 9248, 9280, 9860, 10240, 10880, 11560, 14848, 15776, 16762, 17408, 18496, 18560, 19720, 21760, 23120, 29696, 31552, 33524, 34816, 36992, 37120, 39440, 41905, 43520, 46240, 59392, 63104, 67048, 73984, 74240, 78880, 83810, 87040, 92480, 126208, 134096, 147968, 148480, 157760, 167620, 174080, 184960, 252416, 268192, 295936, 296960, 315520, 335240, 369920, 504832, 536384, 591872, 631040, 670480, 739840, 1009664, 1072768, 1262080, 1340960, 1479680, 2145536, 2524160, 2681920, 2959360, 4291072, 5048320, 5363840, 8582144, 10727680, 17164288, 21455360, 42910720, 85821440]

約数ペア:

[(1, 85821440), (2, 42910720), (4, 21455360), (5, 17164288), (8, 10727680), (10, 8582144), (16, 5363840), (17, 5048320), (20, 4291072), (29, 2959360), (32, 2681920), (34, 2524160), (40, 2145536), (58, 1479680), (64, 1340960), (68, 1262080), (80, 1072768), (85, 1009664), (116, 739840), (128, 670480), (136, 631040), (145, 591872), (160, 536384), (170, 504832), (232, 369920), (256, 335240), (272, 315520), (289, 296960), (290, 295936), (320, 268192), (340, 252416), (464, 184960), (493, 174080), (512, 167620), (544, 157760), (578, 148480), (580, 147968), (640, 134096), (680, 126208), (928, 92480), (986, 87040), (1024, 83810), (1088, 78880), (1156, 74240), (1160, 73984), (1280, 67048), (1360, 63104), (1445, 59392), (1856, 46240), (1972, 43520), (2048, 41905), (2176, 39440), (2312, 37120), (2320, 36992), (2465, 34816), (2560, 33524), (2720, 31552), (2890, 29696), (3712, 23120), (3944, 21760), (4352, 19720), (4624, 18560), (4640, 18496), (4930, 17408), (5120, 16762), (5440, 15776), (5780, 14848), (7424, 11560), (7888, 10880), (8381, 10240), (8704, 9860), (9248, 9280)]