15994880

素因数分解:

$2^{12}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1$

素因数の和:111

約数の個数: 104

約数和(自身を含む): 42462144

約数和(自身を除く): 26467264

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 71, 80, 88, 110, 128, 142, 160, 176, 220, 256, 284, 320, 352, 355, 440, 512, 568, 640, 704, 710, 781, 880, 1024, 1136, 1280, 1408, 1420, 1562, 1760, 2048, 2272, 2560, 2816, 2840, 3124, 3520, 3905, 4096, 4544, 5120, 5632, 5680, 6248, 7040, 7810, 9088, 10240, 11264, 11360, 12496, 14080, 15620, 18176, 20480, 22528, 22720, 24992, 28160, 31240, 36352, 45056, 45440, 49984, 56320, 62480, 72704, 90880, 99968, 112640, 124960, 145408, 181760, 199936, 225280, 249920, 290816, 363520, 399872, 499840, 727040, 799744, 999680, 1454080, 1599488, 1999360, 3198976, 3998720, 7997440, 15994880]

約数ペア:

[(1, 15994880), (2, 7997440), (4, 3998720), (5, 3198976), (8, 1999360), (10, 1599488), (11, 1454080), (16, 999680), (20, 799744), (22, 727040), (32, 499840), (40, 399872), (44, 363520), (55, 290816), (64, 249920), (71, 225280), (80, 199936), (88, 181760), (110, 145408), (128, 124960), (142, 112640), (160, 99968), (176, 90880), (220, 72704), (256, 62480), (284, 56320), (320, 49984), (352, 45440), (355, 45056), (440, 36352), (512, 31240), (568, 28160), (640, 24992), (704, 22720), (710, 22528), (781, 20480), (880, 18176), (1024, 15620), (1136, 14080), (1280, 12496), (1408, 11360), (1420, 11264), (1562, 10240), (1760, 9088), (2048, 7810), (2272, 7040), (2560, 6248), (2816, 5680), (2840, 5632), (3124, 5120), (3520, 4544), (3905, 4096)]