1420126720

素因数分解:

$2^9\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1$

素因数の和:406

約数の個数: 160

約数和(自身を含む): 3606197760

約数和(自身を除く): 2186071040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 89, 92, 115, 128, 160, 178, 184, 230, 256, 271, 320, 356, 368, 445, 460, 512, 542, 640, 712, 736, 890, 920, 1084, 1280, 1355, 1424, 1472, 1780, 1840, 2047, 2168, 2560, 2710, 2848, 2944, 3560, 3680, 4094, 4336, 5420, 5696, 5888, 6233, 7120, 7360, 8188, 8672, 10235, 10840, 11392, 11776, 12466, 14240, 14720, 16376, 17344, 20470, 21680, 22784, 24119, 24932, 28480, 29440, 31165, 32752, 34688, 40940, 43360, 45568, 48238, 49864, 56960, 58880, 62330, 65504, 69376, 81880, 86720, 96476, 99728, 113920, 120595, 124660, 131008, 138752, 163760, 173440, 192952, 199456, 227840, 241190, 249320, 262016, 327520, 346880, 385904, 398912, 482380, 498640, 524032, 554737, 655040, 693760, 771808, 797824, 964760, 997280, 1048064, 1109474, 1310080, 1543616, 1595648, 1929520, 1994560, 2218948, 2620160, 2773685, 3087232, 3191296, 3859040, 3989120, 4437896, 5240320, 5547370, 6174464, 7718080, 7978240, 8875792, 11094740, 12348928, 15436160, 15956480, 17751584, 22189480, 30872320, 35503168, 44378960, 61744640, 71006336, 88757920, 142012672, 177515840, 284025344, 355031680, 710063360, 1420126720]

約数ペア:

[(1, 1420126720), (2, 710063360), (4, 355031680), (5, 284025344), (8, 177515840), (10, 142012672), (16, 88757920), (20, 71006336), (23, 61744640), (32, 44378960), (40, 35503168), (46, 30872320), (64, 22189480), (80, 17751584), (89, 15956480), (92, 15436160), (115, 12348928), (128, 11094740), (160, 8875792), (178, 7978240), (184, 7718080), (230, 6174464), (256, 5547370), (271, 5240320), (320, 4437896), (356, 3989120), (368, 3859040), (445, 3191296), (460, 3087232), (512, 2773685), (542, 2620160), (640, 2218948), (712, 1994560), (736, 1929520), (890, 1595648), (920, 1543616), (1084, 1310080), (1280, 1109474), (1355, 1048064), (1424, 997280), (1472, 964760), (1780, 797824), (1840, 771808), (2047, 693760), (2168, 655040), (2560, 554737), (2710, 524032), (2848, 498640), (2944, 482380), (3560, 398912), (3680, 385904), (4094, 346880), (4336, 327520), (5420, 262016), (5696, 249320), (5888, 241190), (6233, 227840), (7120, 199456), (7360, 192952), (8188, 173440), (8672, 163760), (10235, 138752), (10840, 131008), (11392, 124660), (11776, 120595), (12466, 113920), (14240, 99728), (14720, 96476), (16376, 86720), (17344, 81880), (20470, 69376), (21680, 65504), (22784, 62330), (24119, 58880), (24932, 56960), (28480, 49864), (29440, 48238), (31165, 45568), (32752, 43360), (34688, 40940)]