2179106560

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{54917}}^1$

素因数の和:54969

約数の個数: 72

約数和(自身を含む): 5388114816

約数和(自身を除く): 3209008256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7936, 9920, 19840, 39680, 54917, 109834, 219668, 274585, 439336, 549170, 878672, 1098340, 1702427, 1757344, 2196680, 3404854, 3514688, 4393360, 6809708, 7029376, 8512135, 8786720, 13619416, 14058752, 17024270, 17573440, 27238832, 34048540, 35146880, 54477664, 68097080, 70293760, 108955328, 136194160, 217910656, 272388320, 435821312, 544776640, 1089553280, 2179106560]

約数ペア:

[(1, 2179106560), (2, 1089553280), (4, 544776640), (5, 435821312), (8, 272388320), (10, 217910656), (16, 136194160), (20, 108955328), (31, 70293760), (32, 68097080), (40, 54477664), (62, 35146880), (64, 34048540), (80, 27238832), (124, 17573440), (128, 17024270), (155, 14058752), (160, 13619416), (248, 8786720), (256, 8512135), (310, 7029376), (320, 6809708), (496, 4393360), (620, 3514688), (640, 3404854), (992, 2196680), (1240, 1757344), (1280, 1702427), (1984, 1098340), (2480, 878672), (3968, 549170), (4960, 439336), (7936, 274585), (9920, 219668), (19840, 109834), (39680, 54917)]