16747640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:181

約数の個数: 128

約数和(自身を含む): 47900160

約数和(自身を除く): 31152520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 43, 52, 56, 65, 70, 86, 91, 104, 107, 130, 140, 172, 182, 214, 215, 260, 280, 301, 344, 364, 428, 430, 455, 520, 535, 559, 602, 728, 749, 856, 860, 910, 1070, 1118, 1204, 1391, 1498, 1505, 1720, 1820, 2140, 2236, 2408, 2782, 2795, 2996, 3010, 3640, 3745, 3913, 4280, 4472, 4601, 5564, 5590, 5992, 6020, 6955, 7490, 7826, 9202, 9737, 11128, 11180, 12040, 13910, 14980, 15652, 18404, 19474, 19565, 22360, 23005, 27820, 29960, 31304, 32207, 36808, 38948, 39130, 46010, 48685, 55640, 59813, 64414, 77896, 78260, 92020, 97370, 119626, 128828, 156520, 161035, 184040, 194740, 239252, 257656, 299065, 322070, 389480, 418691, 478504, 598130, 644140, 837382, 1196260, 1288280, 1674764, 2093455, 2392520, 3349528, 4186910, 8373820, 16747640]

約数ペア:

[(1, 16747640), (2, 8373820), (4, 4186910), (5, 3349528), (7, 2392520), (8, 2093455), (10, 1674764), (13, 1288280), (14, 1196260), (20, 837382), (26, 644140), (28, 598130), (35, 478504), (40, 418691), (43, 389480), (52, 322070), (56, 299065), (65, 257656), (70, 239252), (86, 194740), (91, 184040), (104, 161035), (107, 156520), (130, 128828), (140, 119626), (172, 97370), (182, 92020), (214, 78260), (215, 77896), (260, 64414), (280, 59813), (301, 55640), (344, 48685), (364, 46010), (428, 39130), (430, 38948), (455, 36808), (520, 32207), (535, 31304), (559, 29960), (602, 27820), (728, 23005), (749, 22360), (856, 19565), (860, 19474), (910, 18404), (1070, 15652), (1118, 14980), (1204, 13910), (1391, 12040), (1498, 11180), (1505, 11128), (1720, 9737), (1820, 9202), (2140, 7826), (2236, 7490), (2408, 6955), (2782, 6020), (2795, 5992), (2996, 5590), (3010, 5564), (3640, 4601), (3745, 4472), (3913, 4280)]