664606720

素因数分解:

$2^{11}\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1583}}^1$

素因数の和:1651

約数の個数: 96

約数和(自身を含む): 1634592960

約数和(自身を除く): 969986240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 256, 320, 328, 410, 512, 640, 656, 820, 1024, 1280, 1312, 1583, 1640, 2048, 2560, 2624, 3166, 3280, 5120, 5248, 6332, 6560, 7915, 10240, 10496, 12664, 13120, 15830, 20992, 25328, 26240, 31660, 41984, 50656, 52480, 63320, 64903, 83968, 101312, 104960, 126640, 129806, 202624, 209920, 253280, 259612, 324515, 405248, 419840, 506560, 519224, 649030, 810496, 1013120, 1038448, 1298060, 1620992, 2026240, 2076896, 2596120, 3241984, 4052480, 4153792, 5192240, 8104960, 8307584, 10384480, 16209920, 16615168, 20768960, 33230336, 41537920, 66460672, 83075840, 132921344, 166151680, 332303360, 664606720]

約数ペア:

[(1, 664606720), (2, 332303360), (4, 166151680), (5, 132921344), (8, 83075840), (10, 66460672), (16, 41537920), (20, 33230336), (32, 20768960), (40, 16615168), (41, 16209920), (64, 10384480), (80, 8307584), (82, 8104960), (128, 5192240), (160, 4153792), (164, 4052480), (205, 3241984), (256, 2596120), (320, 2076896), (328, 2026240), (410, 1620992), (512, 1298060), (640, 1038448), (656, 1013120), (820, 810496), (1024, 649030), (1280, 519224), (1312, 506560), (1583, 419840), (1640, 405248), (2048, 324515), (2560, 259612), (2624, 253280), (3166, 209920), (3280, 202624), (5120, 129806), (5248, 126640), (6332, 104960), (6560, 101312), (7915, 83968), (10240, 64903), (10496, 63320), (12664, 52480), (13120, 50656), (15830, 41984), (20992, 31660), (25328, 26240)]