2016711680

素因数分解:

$2^{10}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20731}}^1$

素因数の和:20775

約数の個数: 88

約数和(自身を含む): 5092608480

約数和(自身を除く): 3075896800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 512, 608, 640, 760, 1024, 1216, 1280, 1520, 2432, 2560, 3040, 4864, 5120, 6080, 9728, 12160, 19456, 20731, 24320, 41462, 48640, 82924, 97280, 103655, 165848, 207310, 331696, 393889, 414620, 663392, 787778, 829240, 1326784, 1575556, 1658480, 1969445, 2653568, 3151112, 3316960, 3938890, 5307136, 6302224, 6633920, 7877780, 10614272, 12604448, 13267840, 15755560, 21228544, 25208896, 26535680, 31511120, 50417792, 53071360, 63022240, 100835584, 106142720, 126044480, 201671168, 252088960, 403342336, 504177920, 1008355840, 2016711680]

約数ペア:

[(1, 2016711680), (2, 1008355840), (4, 504177920), (5, 403342336), (8, 252088960), (10, 201671168), (16, 126044480), (19, 106142720), (20, 100835584), (32, 63022240), (38, 53071360), (40, 50417792), (64, 31511120), (76, 26535680), (80, 25208896), (95, 21228544), (128, 15755560), (152, 13267840), (160, 12604448), (190, 10614272), (256, 7877780), (304, 6633920), (320, 6302224), (380, 5307136), (512, 3938890), (608, 3316960), (640, 3151112), (760, 2653568), (1024, 1969445), (1216, 1658480), (1280, 1575556), (1520, 1326784), (2432, 829240), (2560, 787778), (3040, 663392), (4864, 414620), (5120, 393889), (6080, 331696), (9728, 207310), (12160, 165848), (19456, 103655), (20731, 97280), (24320, 82924), (41462, 48640)]