27679360

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{709}}^1$

素因数の和:789

約数の個数: 64

約数和(自身を含む): 67350600

約数和(自身を除く): 39671240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 320, 488, 610, 640, 709, 976, 1220, 1418, 1952, 2440, 2836, 3545, 3904, 4880, 5672, 7090, 7808, 9760, 11344, 14180, 19520, 22688, 28360, 39040, 43249, 45376, 56720, 86498, 90752, 113440, 172996, 216245, 226880, 345992, 432490, 453760, 691984, 864980, 1383968, 1729960, 2767936, 3459920, 5535872, 6919840, 13839680, 27679360]

約数ペア:

[(1, 27679360), (2, 13839680), (4, 6919840), (5, 5535872), (8, 3459920), (10, 2767936), (16, 1729960), (20, 1383968), (32, 864980), (40, 691984), (61, 453760), (64, 432490), (80, 345992), (122, 226880), (128, 216245), (160, 172996), (244, 113440), (305, 90752), (320, 86498), (488, 56720), (610, 45376), (640, 43249), (709, 39040), (976, 28360), (1220, 22688), (1418, 19520), (1952, 14180), (2440, 11344), (2836, 9760), (3545, 7808), (3904, 7090), (4880, 5672)]