18519286680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{157}}^2\times {\mathrm{2087}}^1$

素因数の和:2418

約数の個数: 144

約数和(自身を含む): 60602508720

約数和(自身を除く): 42083222040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 157, 180, 314, 360, 471, 628, 785, 942, 1256, 1413, 1570, 1884, 2087, 2355, 2826, 3140, 3768, 4174, 4710, 5652, 6261, 6280, 7065, 8348, 9420, 10435, 11304, 12522, 14130, 16696, 18783, 18840, 20870, 24649, 25044, 28260, 31305, 37566, 41740, 49298, 50088, 56520, 62610, 73947, 75132, 83480, 93915, 98596, 123245, 125220, 147894, 150264, 187830, 197192, 221841, 246490, 250440, 295788, 327659, 369735, 375660, 443682, 492980, 591576, 655318, 739470, 751320, 887364, 982977, 985960, 1109205, 1310636, 1478940, 1638295, 1774728, 1965954, 2218410, 2621272, 2948931, 2957880, 3276590, 3931908, 4436820, 4914885, 5897862, 6553180, 7863816, 8873640, 9829770, 11795724, 13106360, 14744655, 19659540, 23591448, 29489310, 39319080, 51442463, 58978620, 102884926, 117957240, 154327389, 205769852, 257212315, 308654778, 411539704, 462982167, 514424630, 617309556, 771636945, 925964334, 1028849260, 1234619112, 1543273890, 1851928668, 2057698520, 2314910835, 3086547780, 3703857336, 4629821670, 6173095560, 9259643340, 18519286680]

約数ペア:

[(1, 18519286680), (2, 9259643340), (3, 6173095560), (4, 4629821670), (5, 3703857336), (6, 3086547780), (8, 2314910835), (9, 2057698520), (10, 1851928668), (12, 1543273890), (15, 1234619112), (18, 1028849260), (20, 925964334), (24, 771636945), (30, 617309556), (36, 514424630), (40, 462982167), (45, 411539704), (60, 308654778), (72, 257212315), (90, 205769852), (120, 154327389), (157, 117957240), (180, 102884926), (314, 58978620), (360, 51442463), (471, 39319080), (628, 29489310), (785, 23591448), (942, 19659540), (1256, 14744655), (1413, 13106360), (1570, 11795724), (1884, 9829770), (2087, 8873640), (2355, 7863816), (2826, 6553180), (3140, 5897862), (3768, 4914885), (4174, 4436820), (4710, 3931908), (5652, 3276590), (6261, 2957880), (6280, 2948931), (7065, 2621272), (8348, 2218410), (9420, 1965954), (10435, 1774728), (11304, 1638295), (12522, 1478940), (14130, 1310636), (16696, 1109205), (18783, 985960), (18840, 982977), (20870, 887364), (24649, 751320), (25044, 739470), (28260, 655318), (31305, 591576), (37566, 492980), (41740, 443682), (49298, 375660), (50088, 369735), (56520, 327659), (62610, 295788), (73947, 250440), (75132, 246490), (83480, 221841), (93915, 197192), (98596, 187830), (123245, 150264), (125220, 147894)]