260750560

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:529

約数の個数: 144

約数和(自身を含む): 727392960

約数和(自身を除く): 466642400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 79, 80, 98, 112, 140, 158, 160, 196, 224, 245, 280, 316, 392, 395, 421, 490, 553, 560, 632, 784, 790, 842, 980, 1106, 1120, 1264, 1568, 1580, 1684, 1960, 2105, 2212, 2528, 2765, 2947, 3160, 3368, 3871, 3920, 4210, 4424, 5530, 5894, 6320, 6736, 7742, 7840, 8420, 8848, 11060, 11788, 12640, 13472, 14735, 15484, 16840, 17696, 19355, 20629, 22120, 23576, 29470, 30968, 33259, 33680, 38710, 41258, 44240, 47152, 58940, 61936, 66518, 67360, 77420, 82516, 88480, 94304, 103145, 117880, 123872, 133036, 154840, 165032, 166295, 206290, 232813, 235760, 266072, 309680, 330064, 332590, 412580, 465626, 471520, 532144, 619360, 660128, 665180, 825160, 931252, 1064288, 1164065, 1330360, 1629691, 1650320, 1862504, 2328130, 2660720, 3259382, 3300640, 3725008, 4656260, 5321440, 6518764, 7450016, 8148455, 9312520, 13037528, 16296910, 18625040, 26075056, 32593820, 37250080, 52150112, 65187640, 130375280, 260750560]

約数ペア:

[(1, 260750560), (2, 130375280), (4, 65187640), (5, 52150112), (7, 37250080), (8, 32593820), (10, 26075056), (14, 18625040), (16, 16296910), (20, 13037528), (28, 9312520), (32, 8148455), (35, 7450016), (40, 6518764), (49, 5321440), (56, 4656260), (70, 3725008), (79, 3300640), (80, 3259382), (98, 2660720), (112, 2328130), (140, 1862504), (158, 1650320), (160, 1629691), (196, 1330360), (224, 1164065), (245, 1064288), (280, 931252), (316, 825160), (392, 665180), (395, 660128), (421, 619360), (490, 532144), (553, 471520), (560, 465626), (632, 412580), (784, 332590), (790, 330064), (842, 309680), (980, 266072), (1106, 235760), (1120, 232813), (1264, 206290), (1568, 166295), (1580, 165032), (1684, 154840), (1960, 133036), (2105, 123872), (2212, 117880), (2528, 103145), (2765, 94304), (2947, 88480), (3160, 82516), (3368, 77420), (3871, 67360), (3920, 66518), (4210, 61936), (4424, 58940), (5530, 47152), (5894, 44240), (6320, 41258), (6736, 38710), (7742, 33680), (7840, 33259), (8420, 30968), (8848, 29470), (11060, 23576), (11788, 22120), (12640, 20629), (13472, 19355), (14735, 17696), (15484, 16840)]