30855680

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{709}}^1$

素因数の和:749

約数の個数: 80

約数和(自身を含む): 78443640

約数和(自身を除く): 47587960

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 640, 680, 709, 1088, 1280, 1360, 1418, 2176, 2560, 2720, 2836, 3545, 4352, 5440, 5672, 7090, 8704, 10880, 11344, 12053, 14180, 21760, 22688, 24106, 28360, 43520, 45376, 48212, 56720, 60265, 90752, 96424, 113440, 120530, 181504, 192848, 226880, 241060, 363008, 385696, 453760, 482120, 771392, 907520, 964240, 1542784, 1815040, 1928480, 3085568, 3856960, 6171136, 7713920, 15427840, 30855680]

約数ペア:

[(1, 30855680), (2, 15427840), (4, 7713920), (5, 6171136), (8, 3856960), (10, 3085568), (16, 1928480), (17, 1815040), (20, 1542784), (32, 964240), (34, 907520), (40, 771392), (64, 482120), (68, 453760), (80, 385696), (85, 363008), (128, 241060), (136, 226880), (160, 192848), (170, 181504), (256, 120530), (272, 113440), (320, 96424), (340, 90752), (512, 60265), (544, 56720), (640, 48212), (680, 45376), (709, 43520), (1088, 28360), (1280, 24106), (1360, 22688), (1418, 21760), (2176, 14180), (2560, 12053), (2720, 11344), (2836, 10880), (3545, 8704), (4352, 7090), (5440, 5672)]