15427840

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{709}}^1$

素因数の和:747

約数の個数: 72

約数和(自身を含む): 39183480

約数和(自身を除く): 23755640

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, 544, 640, 680, 709, 1088, 1280, 1360, 1418, 2176, 2720, 2836, 3545, 4352, 5440, 5672, 7090, 10880, 11344, 12053, 14180, 21760, 22688, 24106, 28360, 45376, 48212, 56720, 60265, 90752, 96424, 113440, 120530, 181504, 192848, 226880, 241060, 385696, 453760, 482120, 771392, 907520, 964240, 1542784, 1928480, 3085568, 3856960, 7713920, 15427840]

約数ペア:

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