720604160

素因数分解:

$2^{10}\times 5^1\times {\mathrm{17}}^2\times {\mathrm{487}}^1$

素因数の和:546

約数の個数: 132

約数和(自身を含む): 1840040112

約数和(自身を除く): 1119435952

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 289, 320, 340, 487, 512, 544, 578, 640, 680, 974, 1024, 1088, 1156, 1280, 1360, 1445, 1948, 2176, 2312, 2435, 2560, 2720, 2890, 3896, 4352, 4624, 4870, 5120, 5440, 5780, 7792, 8279, 8704, 9248, 9740, 10880, 11560, 15584, 16558, 17408, 18496, 19480, 21760, 23120, 31168, 33116, 36992, 38960, 41395, 43520, 46240, 62336, 66232, 73984, 77920, 82790, 87040, 92480, 124672, 132464, 140743, 147968, 155840, 165580, 184960, 249344, 264928, 281486, 295936, 311680, 331160, 369920, 498688, 529856, 562972, 623360, 662320, 703715, 739840, 1059712, 1125944, 1246720, 1324640, 1407430, 1479680, 2119424, 2251888, 2493440, 2649280, 2814860, 4238848, 4503776, 5298560, 5629720, 8477696, 9007552, 10597120, 11259440, 18015104, 21194240, 22518880, 36030208, 42388480, 45037760, 72060416, 90075520, 144120832, 180151040, 360302080, 720604160]

約数ペア:

[(1, 720604160), (2, 360302080), (4, 180151040), (5, 144120832), (8, 90075520), (10, 72060416), (16, 45037760), (17, 42388480), (20, 36030208), (32, 22518880), (34, 21194240), (40, 18015104), (64, 11259440), (68, 10597120), (80, 9007552), (85, 8477696), (128, 5629720), (136, 5298560), (160, 4503776), (170, 4238848), (256, 2814860), (272, 2649280), (289, 2493440), (320, 2251888), (340, 2119424), (487, 1479680), (512, 1407430), (544, 1324640), (578, 1246720), (640, 1125944), (680, 1059712), (974, 739840), (1024, 703715), (1088, 662320), (1156, 623360), (1280, 562972), (1360, 529856), (1445, 498688), (1948, 369920), (2176, 331160), (2312, 311680), (2435, 295936), (2560, 281486), (2720, 264928), (2890, 249344), (3896, 184960), (4352, 165580), (4624, 155840), (4870, 147968), (5120, 140743), (5440, 132464), (5780, 124672), (7792, 92480), (8279, 87040), (8704, 82790), (9248, 77920), (9740, 73984), (10880, 66232), (11560, 62336), (15584, 46240), (16558, 43520), (17408, 41395), (18496, 38960), (19480, 36992), (21760, 33116), (23120, 31168)]