61406720

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^2\times {\mathrm{83}}^1$

素因数の和:140

約数の個数: 120

約数和(自身を含む): 158286744

約数和(自身を除く): 96880024

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 83, 85, 128, 136, 160, 166, 170, 256, 272, 289, 320, 332, 340, 415, 512, 544, 578, 640, 664, 680, 830, 1088, 1156, 1280, 1328, 1360, 1411, 1445, 1660, 2176, 2312, 2560, 2656, 2720, 2822, 2890, 3320, 4352, 4624, 5312, 5440, 5644, 5780, 6640, 7055, 8704, 9248, 10624, 10880, 11288, 11560, 13280, 14110, 18496, 21248, 21760, 22576, 23120, 23987, 26560, 28220, 36992, 42496, 43520, 45152, 46240, 47974, 53120, 56440, 73984, 90304, 92480, 95948, 106240, 112880, 119935, 147968, 180608, 184960, 191896, 212480, 225760, 239870, 361216, 369920, 383792, 451520, 479740, 722432, 739840, 767584, 903040, 959480, 1535168, 1806080, 1918960, 3070336, 3612160, 3837920, 6140672, 7675840, 12281344, 15351680, 30703360, 61406720]

約数ペア:

[(1, 61406720), (2, 30703360), (4, 15351680), (5, 12281344), (8, 7675840), (10, 6140672), (16, 3837920), (17, 3612160), (20, 3070336), (32, 1918960), (34, 1806080), (40, 1535168), (64, 959480), (68, 903040), (80, 767584), (83, 739840), (85, 722432), (128, 479740), (136, 451520), (160, 383792), (166, 369920), (170, 361216), (256, 239870), (272, 225760), (289, 212480), (320, 191896), (332, 184960), (340, 180608), (415, 147968), (512, 119935), (544, 112880), (578, 106240), (640, 95948), (664, 92480), (680, 90304), (830, 73984), (1088, 56440), (1156, 53120), (1280, 47974), (1328, 46240), (1360, 45152), (1411, 43520), (1445, 42496), (1660, 36992), (2176, 28220), (2312, 26560), (2560, 23987), (2656, 23120), (2720, 22576), (2822, 21760), (2890, 21248), (3320, 18496), (4352, 14110), (4624, 13280), (5312, 11560), (5440, 11288), (5644, 10880), (5780, 10624), (6640, 9248), (7055, 8704)]