1821266880

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{4877}}^1$

素因数の和:5286

約数の個数: 112

約数和(自身を含む): 5798576160

約数和(自身を除く): 3977309280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 389, 480, 778, 960, 1167, 1556, 1945, 2334, 3112, 3890, 4668, 4877, 5835, 6224, 7780, 9336, 9754, 11670, 12448, 14631, 15560, 18672, 19508, 23340, 24385, 24896, 29262, 31120, 37344, 39016, 46680, 48770, 58524, 62240, 73155, 74688, 78032, 93360, 97540, 117048, 124480, 146310, 156064, 186720, 195080, 234096, 292620, 312128, 373440, 390160, 468192, 585240, 780320, 936384, 1170480, 1560640, 1897153, 2340960, 3794306, 4681920, 5691459, 7588612, 9485765, 11382918, 15177224, 18971530, 22765836, 28457295, 30354448, 37943060, 45531672, 56914590, 60708896, 75886120, 91063344, 113829180, 121417792, 151772240, 182126688, 227658360, 303544480, 364253376, 455316720, 607088960, 910633440, 1821266880]

約数ペア:

[(1, 1821266880), (2, 910633440), (3, 607088960), (4, 455316720), (5, 364253376), (6, 303544480), (8, 227658360), (10, 182126688), (12, 151772240), (15, 121417792), (16, 113829180), (20, 91063344), (24, 75886120), (30, 60708896), (32, 56914590), (40, 45531672), (48, 37943060), (60, 30354448), (64, 28457295), (80, 22765836), (96, 18971530), (120, 15177224), (160, 11382918), (192, 9485765), (240, 7588612), (320, 5691459), (389, 4681920), (480, 3794306), (778, 2340960), (960, 1897153), (1167, 1560640), (1556, 1170480), (1945, 936384), (2334, 780320), (3112, 585240), (3890, 468192), (4668, 390160), (4877, 373440), (5835, 312128), (6224, 292620), (7780, 234096), (9336, 195080), (9754, 186720), (11670, 156064), (12448, 146310), (14631, 124480), (15560, 117048), (18672, 97540), (19508, 93360), (23340, 78032), (24385, 74688), (24896, 73155), (29262, 62240), (31120, 58524), (37344, 48770), (39016, 46680)]