1543640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 4104000

約数和(自身を除く): 2560360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 149, 185, 259, 280, 296, 298, 370, 518, 596, 740, 745, 1036, 1043, 1192, 1295, 1480, 1490, 2072, 2086, 2590, 2980, 4172, 5180, 5215, 5513, 5960, 8344, 10360, 10430, 11026, 20860, 22052, 27565, 38591, 41720, 44104, 55130, 77182, 110260, 154364, 192955, 220520, 308728, 385910, 771820, 1543640]

約数ペア:

[(1, 1543640), (2, 771820), (4, 385910), (5, 308728), (7, 220520), (8, 192955), (10, 154364), (14, 110260), (20, 77182), (28, 55130), (35, 44104), (37, 41720), (40, 38591), (56, 27565), (70, 22052), (74, 20860), (140, 11026), (148, 10430), (149, 10360), (185, 8344), (259, 5960), (280, 5513), (296, 5215), (298, 5180), (370, 4172), (518, 2980), (596, 2590), (740, 2086), (745, 2072), (1036, 1490), (1043, 1480), (1192, 1295)]