16318960

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:231

約数の個数: 120

約数和(自身を含む): 46309536

約数和(自身を除く): 29990576

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 49, 56, 70, 80, 92, 98, 112, 115, 140, 161, 181, 184, 196, 230, 245, 280, 322, 362, 368, 392, 460, 490, 560, 644, 724, 784, 805, 905, 920, 980, 1127, 1267, 1288, 1448, 1610, 1810, 1840, 1960, 2254, 2534, 2576, 2896, 3220, 3620, 3920, 4163, 4508, 5068, 5635, 6335, 6440, 7240, 8326, 8869, 9016, 10136, 11270, 12670, 12880, 14480, 16652, 17738, 18032, 20272, 20815, 22540, 25340, 29141, 33304, 35476, 41630, 44345, 45080, 50680, 58282, 66608, 70952, 83260, 88690, 90160, 101360, 116564, 141904, 145705, 166520, 177380, 203987, 233128, 291410, 333040, 354760, 407974, 466256, 582820, 709520, 815948, 1019935, 1165640, 1631896, 2039870, 2331280, 3263792, 4079740, 8159480, 16318960]

約数ペア:

[(1, 16318960), (2, 8159480), (4, 4079740), (5, 3263792), (7, 2331280), (8, 2039870), (10, 1631896), (14, 1165640), (16, 1019935), (20, 815948), (23, 709520), (28, 582820), (35, 466256), (40, 407974), (46, 354760), (49, 333040), (56, 291410), (70, 233128), (80, 203987), (92, 177380), (98, 166520), (112, 145705), (115, 141904), (140, 116564), (161, 101360), (181, 90160), (184, 88690), (196, 83260), (230, 70952), (245, 66608), (280, 58282), (322, 50680), (362, 45080), (368, 44345), (392, 41630), (460, 35476), (490, 33304), (560, 29141), (644, 25340), (724, 22540), (784, 20815), (805, 20272), (905, 18032), (920, 17738), (980, 16652), (1127, 14480), (1267, 12880), (1288, 12670), (1448, 11270), (1610, 10136), (1810, 9016), (1840, 8869), (1960, 8326), (2254, 7240), (2534, 6440), (2576, 6335), (2896, 5635), (3220, 5068), (3620, 4508), (3920, 4163)]