16409120

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:72

約数の個数: 192

約数和(自身を含む): 50803200

約数和(自身を除く): 34394080

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 23, 26, 28, 32, 35, 40, 46, 49, 52, 56, 65, 70, 80, 91, 92, 98, 104, 112, 115, 130, 140, 160, 161, 182, 184, 196, 208, 224, 230, 245, 260, 280, 299, 322, 343, 364, 368, 392, 416, 455, 460, 490, 520, 560, 598, 637, 644, 686, 728, 736, 784, 805, 910, 920, 980, 1040, 1120, 1127, 1196, 1274, 1288, 1372, 1456, 1495, 1568, 1610, 1715, 1820, 1840, 1960, 2080, 2093, 2254, 2392, 2548, 2576, 2744, 2912, 2990, 3185, 3220, 3430, 3640, 3680, 3920, 4186, 4459, 4508, 4784, 5096, 5152, 5488, 5635, 5980, 6370, 6440, 6860, 7280, 7840, 7889, 8372, 8918, 9016, 9568, 10192, 10465, 10976, 11270, 11960, 12740, 12880, 13720, 14560, 14651, 15778, 16744, 17836, 18032, 20384, 20930, 22295, 22540, 23920, 25480, 25760, 27440, 29302, 31556, 33488, 35672, 36064, 39445, 41860, 44590, 45080, 47840, 50960, 54880, 58604, 63112, 66976, 71344, 73255, 78890, 83720, 89180, 90160, 101920, 102557, 117208, 126224, 142688, 146510, 157780, 167440, 178360, 180320, 205114, 234416, 252448, 293020, 315560, 334880, 356720, 410228, 468832, 512785, 586040, 631120, 713440, 820456, 1025570, 1172080, 1262240, 1640912, 2051140, 2344160, 3281824, 4102280, 8204560, 16409120]

約数ペア:

[(1, 16409120), (2, 8204560), (4, 4102280), (5, 3281824), (7, 2344160), (8, 2051140), (10, 1640912), (13, 1262240), (14, 1172080), (16, 1025570), (20, 820456), (23, 713440), (26, 631120), (28, 586040), (32, 512785), (35, 468832), (40, 410228), (46, 356720), (49, 334880), (52, 315560), (56, 293020), (65, 252448), (70, 234416), (80, 205114), (91, 180320), (92, 178360), (98, 167440), (104, 157780), (112, 146510), (115, 142688), (130, 126224), (140, 117208), (160, 102557), (161, 101920), (182, 90160), (184, 89180), (196, 83720), (208, 78890), (224, 73255), (230, 71344), (245, 66976), (260, 63112), (280, 58604), (299, 54880), (322, 50960), (343, 47840), (364, 45080), (368, 44590), (392, 41860), (416, 39445), (455, 36064), (460, 35672), (490, 33488), (520, 31556), (560, 29302), (598, 27440), (637, 25760), (644, 25480), (686, 23920), (728, 22540), (736, 22295), (784, 20930), (805, 20384), (910, 18032), (920, 17836), (980, 16744), (1040, 15778), (1120, 14651), (1127, 14560), (1196, 13720), (1274, 12880), (1288, 12740), (1372, 11960), (1456, 11270), (1495, 10976), (1568, 10465), (1610, 10192), (1715, 9568), (1820, 9016), (1840, 8918), (1960, 8372), (2080, 7889), (2093, 7840), (2254, 7280), (2392, 6860), (2548, 6440), (2576, 6370), (2744, 5980), (2912, 5635), (2990, 5488), (3185, 5152), (3220, 5096), (3430, 4784), (3640, 4508), (3680, 4459), (3920, 4186)]