128858880

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1459}}^1$

素因数の和:1506

約数の個数: 144

約数和(自身を含む): 429730560

約数和(自身を除く): 300871680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 160, 184, 192, 230, 240, 256, 276, 320, 345, 368, 384, 460, 480, 552, 640, 690, 736, 768, 920, 960, 1104, 1280, 1380, 1459, 1472, 1840, 1920, 2208, 2760, 2918, 2944, 3680, 3840, 4377, 4416, 5520, 5836, 5888, 7295, 7360, 8754, 8832, 11040, 11672, 14590, 14720, 17508, 17664, 21885, 22080, 23344, 29180, 29440, 33557, 35016, 43770, 44160, 46688, 58360, 67114, 70032, 87540, 88320, 93376, 100671, 116720, 134228, 140064, 167785, 175080, 186752, 201342, 233440, 268456, 280128, 335570, 350160, 373504, 402684, 466880, 503355, 536912, 560256, 671140, 700320, 805368, 933760, 1006710, 1073824, 1120512, 1342280, 1400640, 1610736, 1867520, 2013420, 2147648, 2684560, 2801280, 3221472, 4026840, 4295296, 5369120, 5602560, 6442944, 8053680, 8590592, 10738240, 12885888, 16107360, 21476480, 25771776, 32214720, 42952960, 64429440, 128858880]

約数ペア:

[(1, 128858880), (2, 64429440), (3, 42952960), (4, 32214720), (5, 25771776), (6, 21476480), (8, 16107360), (10, 12885888), (12, 10738240), (15, 8590592), (16, 8053680), (20, 6442944), (23, 5602560), (24, 5369120), (30, 4295296), (32, 4026840), (40, 3221472), (46, 2801280), (48, 2684560), (60, 2147648), (64, 2013420), (69, 1867520), (80, 1610736), (92, 1400640), (96, 1342280), (115, 1120512), (120, 1073824), (128, 1006710), (138, 933760), (160, 805368), (184, 700320), (192, 671140), (230, 560256), (240, 536912), (256, 503355), (276, 466880), (320, 402684), (345, 373504), (368, 350160), (384, 335570), (460, 280128), (480, 268456), (552, 233440), (640, 201342), (690, 186752), (736, 175080), (768, 167785), (920, 140064), (960, 134228), (1104, 116720), (1280, 100671), (1380, 93376), (1459, 88320), (1472, 87540), (1840, 70032), (1920, 67114), (2208, 58360), (2760, 46688), (2918, 44160), (2944, 43770), (3680, 35016), (3840, 33557), (4377, 29440), (4416, 29180), (5520, 23344), (5836, 22080), (5888, 21885), (7295, 17664), (7360, 17508), (8754, 14720), (8832, 14590), (11040, 11672)]