18112640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1$

素因数の和:350

約数の個数: 128

約数和(自身を含む): 53464320

約数和(自身を除く): 35351680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 260, 280, 311, 320, 364, 416, 448, 455, 520, 560, 622, 640, 728, 832, 896, 910, 1040, 1120, 1244, 1456, 1555, 1664, 1820, 2080, 2177, 2240, 2488, 2912, 3110, 3640, 4043, 4160, 4354, 4480, 4976, 5824, 6220, 7280, 8086, 8320, 8708, 9952, 10885, 11648, 12440, 14560, 16172, 17416, 19904, 20215, 21770, 24880, 28301, 29120, 32344, 34832, 39808, 40430, 43540, 49760, 56602, 58240, 64688, 69664, 80860, 87080, 99520, 113204, 129376, 139328, 141505, 161720, 174160, 199040, 226408, 258752, 278656, 283010, 323440, 348320, 452816, 517504, 566020, 646880, 696640, 905632, 1132040, 1293760, 1393280, 1811264, 2264080, 2587520, 3622528, 4528160, 9056320, 18112640]

約数ペア:

[(1, 18112640), (2, 9056320), (4, 4528160), (5, 3622528), (7, 2587520), (8, 2264080), (10, 1811264), (13, 1393280), (14, 1293760), (16, 1132040), (20, 905632), (26, 696640), (28, 646880), (32, 566020), (35, 517504), (40, 452816), (52, 348320), (56, 323440), (64, 283010), (65, 278656), (70, 258752), (80, 226408), (91, 199040), (104, 174160), (112, 161720), (128, 141505), (130, 139328), (140, 129376), (160, 113204), (182, 99520), (208, 87080), (224, 80860), (260, 69664), (280, 64688), (311, 58240), (320, 56602), (364, 49760), (416, 43540), (448, 40430), (455, 39808), (520, 34832), (560, 32344), (622, 29120), (640, 28301), (728, 24880), (832, 21770), (896, 20215), (910, 19904), (1040, 17416), (1120, 16172), (1244, 14560), (1456, 12440), (1555, 11648), (1664, 10885), (1820, 9952), (2080, 8708), (2177, 8320), (2240, 8086), (2488, 7280), (2912, 6220), (3110, 5824), (3640, 4976), (4043, 4480), (4160, 4354)]