229680640

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{1831}}^1$

素因数の和:1868

約数の個数: 120

約数和(自身を含む): 640954512

約数和(自身を除く): 411273872

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 512, 560, 640, 784, 896, 980, 1120, 1280, 1568, 1792, 1831, 1960, 2240, 2560, 3136, 3584, 3662, 3920, 4480, 6272, 7324, 7840, 8960, 9155, 12544, 12817, 14648, 15680, 17920, 18310, 25088, 25634, 29296, 31360, 36620, 51268, 58592, 62720, 64085, 73240, 89719, 102536, 117184, 125440, 128170, 146480, 179438, 205072, 234368, 256340, 292960, 358876, 410144, 448595, 468736, 512680, 585920, 717752, 820288, 897190, 937472, 1025360, 1171840, 1435504, 1640576, 1794380, 2050720, 2343680, 2871008, 3281152, 3588760, 4101440, 4687360, 5742016, 6562304, 7177520, 8202880, 11484032, 14355040, 16405760, 22968064, 28710080, 32811520, 45936128, 57420160, 114840320, 229680640]

約数ペア:

[(1, 229680640), (2, 114840320), (4, 57420160), (5, 45936128), (7, 32811520), (8, 28710080), (10, 22968064), (14, 16405760), (16, 14355040), (20, 11484032), (28, 8202880), (32, 7177520), (35, 6562304), (40, 5742016), (49, 4687360), (56, 4101440), (64, 3588760), (70, 3281152), (80, 2871008), (98, 2343680), (112, 2050720), (128, 1794380), (140, 1640576), (160, 1435504), (196, 1171840), (224, 1025360), (245, 937472), (256, 897190), (280, 820288), (320, 717752), (392, 585920), (448, 512680), (490, 468736), (512, 448595), (560, 410144), (640, 358876), (784, 292960), (896, 256340), (980, 234368), (1120, 205072), (1280, 179438), (1568, 146480), (1792, 128170), (1831, 125440), (1960, 117184), (2240, 102536), (2560, 89719), (3136, 73240), (3584, 64085), (3662, 62720), (3920, 58592), (4480, 51268), (6272, 36620), (7324, 31360), (7840, 29296), (8960, 25634), (9155, 25088), (12544, 18310), (12817, 17920), (14648, 15680)]