15720224

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:130

約数の個数: 96

約数和(自身を含む): 36578304

約数和(自身を除く): 20858080

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 31, 32, 46, 52, 53, 62, 92, 104, 106, 124, 184, 208, 212, 248, 299, 368, 403, 416, 424, 496, 598, 689, 713, 736, 806, 848, 992, 1196, 1219, 1378, 1426, 1612, 1643, 1696, 2392, 2438, 2756, 2852, 3224, 3286, 4784, 4876, 5512, 5704, 6448, 6572, 9269, 9568, 9752, 11024, 11408, 12896, 13144, 15847, 18538, 19504, 21359, 22048, 22816, 26288, 31694, 37076, 37789, 39008, 42718, 52576, 63388, 74152, 75578, 85436, 126776, 148304, 151156, 170872, 253552, 296608, 302312, 341744, 491257, 507104, 604624, 683488, 982514, 1209248, 1965028, 3930056, 7860112, 15720224]

約数ペア:

[(1, 15720224), (2, 7860112), (4, 3930056), (8, 1965028), (13, 1209248), (16, 982514), (23, 683488), (26, 604624), (31, 507104), (32, 491257), (46, 341744), (52, 302312), (53, 296608), (62, 253552), (92, 170872), (104, 151156), (106, 148304), (124, 126776), (184, 85436), (208, 75578), (212, 74152), (248, 63388), (299, 52576), (368, 42718), (403, 39008), (416, 37789), (424, 37076), (496, 31694), (598, 26288), (689, 22816), (713, 22048), (736, 21359), (806, 19504), (848, 18538), (992, 15847), (1196, 13144), (1219, 12896), (1378, 11408), (1426, 11024), (1612, 9752), (1643, 9568), (1696, 9269), (2392, 6572), (2438, 6448), (2756, 5704), (2852, 5512), (3224, 4876), (3286, 4784)]