16931680

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:188

約数の個数: 96

約数和(自身を含む): 43110144

約数和(自身を除く): 26178464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 43, 46, 80, 86, 92, 107, 115, 160, 172, 184, 214, 215, 230, 344, 368, 428, 430, 460, 535, 688, 736, 856, 860, 920, 989, 1070, 1376, 1712, 1720, 1840, 1978, 2140, 2461, 3424, 3440, 3680, 3956, 4280, 4601, 4922, 4945, 6880, 7912, 8560, 9202, 9844, 9890, 12305, 15824, 17120, 18404, 19688, 19780, 23005, 24610, 31648, 36808, 39376, 39560, 46010, 49220, 73616, 78752, 79120, 92020, 98440, 105823, 147232, 158240, 184040, 196880, 211646, 368080, 393760, 423292, 529115, 736160, 846584, 1058230, 1693168, 2116460, 3386336, 4232920, 8465840, 16931680]

約数ペア:

[(1, 16931680), (2, 8465840), (4, 4232920), (5, 3386336), (8, 2116460), (10, 1693168), (16, 1058230), (20, 846584), (23, 736160), (32, 529115), (40, 423292), (43, 393760), (46, 368080), (80, 211646), (86, 196880), (92, 184040), (107, 158240), (115, 147232), (160, 105823), (172, 98440), (184, 92020), (214, 79120), (215, 78752), (230, 73616), (344, 49220), (368, 46010), (428, 39560), (430, 39376), (460, 36808), (535, 31648), (688, 24610), (736, 23005), (856, 19780), (860, 19688), (920, 18404), (989, 17120), (1070, 15824), (1376, 12305), (1712, 9890), (1720, 9844), (1840, 9202), (1978, 8560), (2140, 7912), (2461, 6880), (3424, 4945), (3440, 4922), (3680, 4601), (3956, 4280)]