90075520

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^2\times {\mathrm{487}}^1$

素因数の和:540

約数の個数: 96

約数和(自身を含む): 229218480

約数和(自身を除く): 139142960

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 289, 320, 340, 487, 544, 578, 640, 680, 974, 1088, 1156, 1360, 1445, 1948, 2176, 2312, 2435, 2720, 2890, 3896, 4624, 4870, 5440, 5780, 7792, 8279, 9248, 9740, 10880, 11560, 15584, 16558, 18496, 19480, 23120, 31168, 33116, 36992, 38960, 41395, 46240, 62336, 66232, 77920, 82790, 92480, 132464, 140743, 155840, 165580, 184960, 264928, 281486, 311680, 331160, 529856, 562972, 662320, 703715, 1059712, 1125944, 1324640, 1407430, 2251888, 2649280, 2814860, 4503776, 5298560, 5629720, 9007552, 11259440, 18015104, 22518880, 45037760, 90075520]

約数ペア:

[(1, 90075520), (2, 45037760), (4, 22518880), (5, 18015104), (8, 11259440), (10, 9007552), (16, 5629720), (17, 5298560), (20, 4503776), (32, 2814860), (34, 2649280), (40, 2251888), (64, 1407430), (68, 1324640), (80, 1125944), (85, 1059712), (128, 703715), (136, 662320), (160, 562972), (170, 529856), (272, 331160), (289, 311680), (320, 281486), (340, 264928), (487, 184960), (544, 165580), (578, 155840), (640, 140743), (680, 132464), (974, 92480), (1088, 82790), (1156, 77920), (1360, 66232), (1445, 62336), (1948, 46240), (2176, 41395), (2312, 38960), (2435, 36992), (2720, 33116), (2890, 31168), (3896, 23120), (4624, 19480), (4870, 18496), (5440, 16558), (5780, 15584), (7792, 11560), (8279, 10880), (9248, 9740)]