61744640

素因数分解:

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

素因数の和:383

約数の個数: 80

約数和(自身を含む): 150258240

約数和(自身を除く): 88513600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 256, 271, 320, 356, 445, 512, 542, 640, 712, 890, 1084, 1280, 1355, 1424, 1780, 2168, 2560, 2710, 2848, 3560, 4336, 5420, 5696, 7120, 8672, 10840, 11392, 14240, 17344, 21680, 22784, 24119, 28480, 34688, 43360, 45568, 48238, 56960, 69376, 86720, 96476, 113920, 120595, 138752, 173440, 192952, 227840, 241190, 346880, 385904, 482380, 693760, 771808, 964760, 1543616, 1929520, 3087232, 3859040, 6174464, 7718080, 12348928, 15436160, 30872320, 61744640]

約数ペア:

[(1, 61744640), (2, 30872320), (4, 15436160), (5, 12348928), (8, 7718080), (10, 6174464), (16, 3859040), (20, 3087232), (32, 1929520), (40, 1543616), (64, 964760), (80, 771808), (89, 693760), (128, 482380), (160, 385904), (178, 346880), (256, 241190), (271, 227840), (320, 192952), (356, 173440), (445, 138752), (512, 120595), (542, 113920), (640, 96476), (712, 86720), (890, 69376), (1084, 56960), (1280, 48238), (1355, 45568), (1424, 43360), (1780, 34688), (2168, 28480), (2560, 24119), (2710, 22784), (2848, 21680), (3560, 17344), (4336, 14240), (5420, 11392), (5696, 10840), (7120, 8672)]