643702140

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6971}}^1$

素因数の和:7014

約数の個数: 144

約数和(自身を含む): 2131758720

約数和(自身を除く): 1488056580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 243, 270, 285, 324, 342, 380, 405, 486, 513, 540, 570, 684, 810, 855, 972, 1026, 1140, 1215, 1539, 1620, 1710, 2052, 2430, 2565, 3078, 3420, 4617, 4860, 5130, 6156, 6971, 7695, 9234, 10260, 13942, 15390, 18468, 20913, 23085, 27884, 30780, 34855, 41826, 46170, 62739, 69710, 83652, 92340, 104565, 125478, 132449, 139420, 188217, 209130, 250956, 264898, 313695, 376434, 397347, 418260, 529796, 564651, 627390, 662245, 752868, 794694, 941085, 1129302, 1192041, 1254780, 1324490, 1589388, 1693953, 1882170, 1986735, 2258604, 2384082, 2648980, 2823255, 3387906, 3576123, 3764340, 3973470, 4768164, 5646510, 5960205, 6775812, 7152246, 7946940, 8469765, 10728369, 11293020, 11920410, 14304492, 16939530, 17880615, 21456738, 23840820, 32185107, 33879060, 35761230, 42913476, 53641845, 64370214, 71522460, 107283690, 128740428, 160925535, 214567380, 321851070, 643702140]

約数ペア:

[(1, 643702140), (2, 321851070), (3, 214567380), (4, 160925535), (5, 128740428), (6, 107283690), (9, 71522460), (10, 64370214), (12, 53641845), (15, 42913476), (18, 35761230), (19, 33879060), (20, 32185107), (27, 23840820), (30, 21456738), (36, 17880615), (38, 16939530), (45, 14304492), (54, 11920410), (57, 11293020), (60, 10728369), (76, 8469765), (81, 7946940), (90, 7152246), (95, 6775812), (108, 5960205), (114, 5646510), (135, 4768164), (162, 3973470), (171, 3764340), (180, 3576123), (190, 3387906), (228, 2823255), (243, 2648980), (270, 2384082), (285, 2258604), (324, 1986735), (342, 1882170), (380, 1693953), (405, 1589388), (486, 1324490), (513, 1254780), (540, 1192041), (570, 1129302), (684, 941085), (810, 794694), (855, 752868), (972, 662245), (1026, 627390), (1140, 564651), (1215, 529796), (1539, 418260), (1620, 397347), (1710, 376434), (2052, 313695), (2430, 264898), (2565, 250956), (3078, 209130), (3420, 188217), (4617, 139420), (4860, 132449), (5130, 125478), (6156, 104565), (6971, 92340), (7695, 83652), (9234, 69710), (10260, 62739), (13942, 46170), (15390, 41826), (18468, 34855), (20913, 30780), (23085, 27884)]