15989120

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:152

約数の個数: 128

約数和(自身を含む): 45239040

約数和(自身を除く): 29249920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 56, 64, 70, 80, 83, 86, 112, 128, 140, 160, 166, 172, 215, 224, 280, 301, 320, 332, 344, 415, 430, 448, 560, 581, 602, 640, 664, 688, 830, 860, 896, 1120, 1162, 1204, 1328, 1376, 1505, 1660, 1720, 2240, 2324, 2408, 2656, 2752, 2905, 3010, 3320, 3440, 3569, 4480, 4648, 4816, 5312, 5504, 5810, 6020, 6640, 6880, 7138, 9296, 9632, 10624, 11620, 12040, 13280, 13760, 14276, 17845, 18592, 19264, 23240, 24080, 24983, 26560, 27520, 28552, 35690, 37184, 38528, 46480, 48160, 49966, 53120, 57104, 71380, 74368, 92960, 96320, 99932, 114208, 124915, 142760, 185920, 192640, 199864, 228416, 249830, 285520, 371840, 399728, 456832, 499660, 571040, 799456, 999320, 1142080, 1598912, 1998640, 2284160, 3197824, 3997280, 7994560, 15989120]

約数ペア:

[(1, 15989120), (2, 7994560), (4, 3997280), (5, 3197824), (7, 2284160), (8, 1998640), (10, 1598912), (14, 1142080), (16, 999320), (20, 799456), (28, 571040), (32, 499660), (35, 456832), (40, 399728), (43, 371840), (56, 285520), (64, 249830), (70, 228416), (80, 199864), (83, 192640), (86, 185920), (112, 142760), (128, 124915), (140, 114208), (160, 99932), (166, 96320), (172, 92960), (215, 74368), (224, 71380), (280, 57104), (301, 53120), (320, 49966), (332, 48160), (344, 46480), (415, 38528), (430, 37184), (448, 35690), (560, 28552), (581, 27520), (602, 26560), (640, 24983), (664, 24080), (688, 23240), (830, 19264), (860, 18592), (896, 17845), (1120, 14276), (1162, 13760), (1204, 13280), (1328, 12040), (1376, 11620), (1505, 10624), (1660, 9632), (1720, 9296), (2240, 7138), (2324, 6880), (2408, 6640), (2656, 6020), (2752, 5810), (2905, 5504), (3010, 5312), (3320, 4816), (3440, 4648), (3569, 4480)]