28703360

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:218

約数の個数: 128

約数和(自身を含む): 80784000

約数和(自身を除く): 52080640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 56, 64, 70, 80, 86, 112, 128, 140, 149, 160, 172, 215, 224, 280, 298, 301, 320, 344, 430, 448, 560, 596, 602, 640, 688, 745, 860, 896, 1043, 1120, 1192, 1204, 1376, 1490, 1505, 1720, 2086, 2240, 2384, 2408, 2752, 2980, 3010, 3440, 4172, 4480, 4768, 4816, 5215, 5504, 5960, 6020, 6407, 6880, 8344, 9536, 9632, 10430, 11920, 12040, 12814, 13760, 16688, 19072, 19264, 20860, 23840, 24080, 25628, 27520, 32035, 33376, 38528, 41720, 44849, 47680, 48160, 51256, 64070, 66752, 83440, 89698, 95360, 96320, 102512, 128140, 133504, 166880, 179396, 192640, 205024, 224245, 256280, 333760, 358792, 410048, 448490, 512560, 667520, 717584, 820096, 896980, 1025120, 1435168, 1793960, 2050240, 2870336, 3587920, 4100480, 5740672, 7175840, 14351680, 28703360]

約数ペア:

[(1, 28703360), (2, 14351680), (4, 7175840), (5, 5740672), (7, 4100480), (8, 3587920), (10, 2870336), (14, 2050240), (16, 1793960), (20, 1435168), (28, 1025120), (32, 896980), (35, 820096), (40, 717584), (43, 667520), (56, 512560), (64, 448490), (70, 410048), (80, 358792), (86, 333760), (112, 256280), (128, 224245), (140, 205024), (149, 192640), (160, 179396), (172, 166880), (215, 133504), (224, 128140), (280, 102512), (298, 96320), (301, 95360), (320, 89698), (344, 83440), (430, 66752), (448, 64070), (560, 51256), (596, 48160), (602, 47680), (640, 44849), (688, 41720), (745, 38528), (860, 33376), (896, 32035), (1043, 27520), (1120, 25628), (1192, 24080), (1204, 23840), (1376, 20860), (1490, 19264), (1505, 19072), (1720, 16688), (2086, 13760), (2240, 12814), (2384, 12040), (2408, 11920), (2752, 10430), (2980, 9632), (3010, 9536), (3440, 8344), (4172, 6880), (4480, 6407), (4768, 6020), (4816, 5960), (5215, 5504)]