79743440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{907}}^1$

素因数の和:1084

約数の個数: 80

約数和(自身を含む): 213474432

約数和(自身を除く): 133730992

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 157, 280, 314, 560, 628, 785, 907, 1099, 1256, 1570, 1814, 2198, 2512, 3140, 3628, 4396, 4535, 5495, 6280, 6349, 7256, 8792, 9070, 10990, 12560, 12698, 14512, 17584, 18140, 21980, 25396, 31745, 36280, 43960, 50792, 63490, 72560, 87920, 101584, 126980, 142399, 253960, 284798, 507920, 569596, 711995, 996793, 1139192, 1423990, 1993586, 2278384, 2847980, 3987172, 4983965, 5695960, 7974344, 9967930, 11391920, 15948688, 19935860, 39871720, 79743440]

約数ペア:

[(1, 79743440), (2, 39871720), (4, 19935860), (5, 15948688), (7, 11391920), (8, 9967930), (10, 7974344), (14, 5695960), (16, 4983965), (20, 3987172), (28, 2847980), (35, 2278384), (40, 1993586), (56, 1423990), (70, 1139192), (80, 996793), (112, 711995), (140, 569596), (157, 507920), (280, 284798), (314, 253960), (560, 142399), (628, 126980), (785, 101584), (907, 87920), (1099, 72560), (1256, 63490), (1570, 50792), (1814, 43960), (2198, 36280), (2512, 31745), (3140, 25396), (3628, 21980), (4396, 18140), (4535, 17584), (5495, 14512), (6280, 12698), (6349, 12560), (7256, 10990), (8792, 9070)]