7985120

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1$

素因数の和:388

約数の個数: 96

約数和(自身を含む): 22226400

約数和(自身を除く): 14241280

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 160, 176, 208, 220, 260, 286, 349, 352, 416, 440, 520, 572, 698, 715, 880, 1040, 1144, 1396, 1430, 1745, 1760, 2080, 2288, 2792, 2860, 3490, 3839, 4537, 4576, 5584, 5720, 6980, 7678, 9074, 11168, 11440, 13960, 15356, 18148, 19195, 22685, 22880, 27920, 30712, 36296, 38390, 45370, 49907, 55840, 61424, 72592, 76780, 90740, 99814, 122848, 145184, 153560, 181480, 199628, 249535, 307120, 362960, 399256, 499070, 614240, 725920, 798512, 998140, 1597024, 1996280, 3992560, 7985120]

約数ペア:

[(1, 7985120), (2, 3992560), (4, 1996280), (5, 1597024), (8, 998140), (10, 798512), (11, 725920), (13, 614240), (16, 499070), (20, 399256), (22, 362960), (26, 307120), (32, 249535), (40, 199628), (44, 181480), (52, 153560), (55, 145184), (65, 122848), (80, 99814), (88, 90740), (104, 76780), (110, 72592), (130, 61424), (143, 55840), (160, 49907), (176, 45370), (208, 38390), (220, 36296), (260, 30712), (286, 27920), (349, 22880), (352, 22685), (416, 19195), (440, 18148), (520, 15356), (572, 13960), (698, 11440), (715, 11168), (880, 9074), (1040, 7678), (1144, 6980), (1396, 5720), (1430, 5584), (1745, 4576), (1760, 4537), (2080, 3839), (2288, 3490), (2792, 2860)]