15810295040

素因数分解:

$2^8\times 5^1\times {\mathrm{43}}^1\times {\mathrm{287251}}^1$

素因数の和:287315

約数の個数: 72

約数和(自身を含む): 38751443808

約数和(自身を除く): 22941148768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 256, 320, 344, 430, 640, 688, 860, 1280, 1376, 1720, 2752, 3440, 5504, 6880, 11008, 13760, 27520, 55040, 287251, 574502, 1149004, 1436255, 2298008, 2872510, 4596016, 5745020, 9192032, 11490040, 12351793, 18384064, 22980080, 24703586, 36768128, 45960160, 49407172, 61758965, 73536256, 91920320, 98814344, 123517930, 183840640, 197628688, 247035860, 367681280, 395257376, 494071720, 790514752, 988143440, 1581029504, 1976286880, 3162059008, 3952573760, 7905147520, 15810295040]

約数ペア:

[(1, 15810295040), (2, 7905147520), (4, 3952573760), (5, 3162059008), (8, 1976286880), (10, 1581029504), (16, 988143440), (20, 790514752), (32, 494071720), (40, 395257376), (43, 367681280), (64, 247035860), (80, 197628688), (86, 183840640), (128, 123517930), (160, 98814344), (172, 91920320), (215, 73536256), (256, 61758965), (320, 49407172), (344, 45960160), (430, 36768128), (640, 24703586), (688, 22980080), (860, 18384064), (1280, 12351793), (1376, 11490040), (1720, 9192032), (2752, 5745020), (3440, 4596016), (5504, 2872510), (6880, 2298008), (11008, 1436255), (13760, 1149004), (27520, 574502), (55040, 287251)]