17720640

素因数分解:

$2^6\times 3^3\times 5^1\times 7^1\times {\mathrm{293}}^1$

素因数の和:326

約数の個数: 224

約数和(自身を含む): 71688960

約数和(自身を除く): 53968320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 293, 315, 320, 336, 360, 378, 420, 432, 448, 480, 504, 540, 560, 576, 586, 630, 672, 720, 756, 840, 864, 879, 945, 960, 1008, 1080, 1120, 1172, 1260, 1344, 1440, 1465, 1512, 1680, 1728, 1758, 1890, 2016, 2051, 2160, 2240, 2344, 2520, 2637, 2880, 2930, 3024, 3360, 3516, 3780, 4032, 4102, 4320, 4395, 4688, 5040, 5274, 5860, 6048, 6153, 6720, 7032, 7560, 7911, 8204, 8640, 8790, 9376, 10080, 10255, 10548, 11720, 12096, 12306, 13185, 14064, 15120, 15822, 16408, 17580, 18459, 18752, 20160, 20510, 21096, 23440, 24612, 26370, 28128, 30240, 30765, 31644, 32816, 35160, 36918, 39555, 41020, 42192, 46880, 49224, 52740, 55377, 56256, 60480, 61530, 63288, 65632, 70320, 73836, 79110, 82040, 84384, 92295, 93760, 98448, 105480, 110754, 123060, 126576, 131264, 140640, 147672, 158220, 164080, 168768, 184590, 196896, 210960, 221508, 246120, 253152, 276885, 281280, 295344, 316440, 328160, 369180, 393792, 421920, 443016, 492240, 506304, 553770, 590688, 632880, 656320, 738360, 843840, 886032, 984480, 1107540, 1181376, 1265760, 1476720, 1772064, 1968960, 2215080, 2531520, 2953440, 3544128, 4430160, 5906880, 8860320, 17720640]

約数ペア:

[(1, 17720640), (2, 8860320), (3, 5906880), (4, 4430160), (5, 3544128), (6, 2953440), (7, 2531520), (8, 2215080), (9, 1968960), (10, 1772064), (12, 1476720), (14, 1265760), (15, 1181376), (16, 1107540), (18, 984480), (20, 886032), (21, 843840), (24, 738360), (27, 656320), (28, 632880), (30, 590688), (32, 553770), (35, 506304), (36, 492240), (40, 443016), (42, 421920), (45, 393792), (48, 369180), (54, 328160), (56, 316440), (60, 295344), (63, 281280), (64, 276885), (70, 253152), (72, 246120), (80, 221508), (84, 210960), (90, 196896), (96, 184590), (105, 168768), (108, 164080), (112, 158220), (120, 147672), (126, 140640), (135, 131264), (140, 126576), (144, 123060), (160, 110754), (168, 105480), (180, 98448), (189, 93760), (192, 92295), (210, 84384), (216, 82040), (224, 79110), (240, 73836), (252, 70320), (270, 65632), (280, 63288), (288, 61530), (293, 60480), (315, 56256), (320, 55377), (336, 52740), (360, 49224), (378, 46880), (420, 42192), (432, 41020), (448, 39555), (480, 36918), (504, 35160), (540, 32816), (560, 31644), (576, 30765), (586, 30240), (630, 28128), (672, 26370), (720, 24612), (756, 23440), (840, 21096), (864, 20510), (879, 20160), (945, 18752), (960, 18459), (1008, 17580), (1080, 16408), (1120, 15822), (1172, 15120), (1260, 14064), (1344, 13185), (1440, 12306), (1465, 12096), (1512, 11720), (1680, 10548), (1728, 10255), (1758, 10080), (1890, 9376), (2016, 8790), (2051, 8640), (2160, 8204), (2240, 7911), (2344, 7560), (2520, 7032), (2637, 6720), (2880, 6153), (2930, 6048), (3024, 5860), (3360, 5274), (3516, 5040), (3780, 4688), (4032, 4395), (4102, 4320)]