17961440

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:137

約数の個数: 144

約数和(自身を含む): 51710400

約数和(自身を除く): 33748960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 49, 56, 58, 70, 79, 80, 98, 112, 116, 140, 145, 158, 160, 196, 203, 224, 232, 245, 280, 290, 316, 392, 395, 406, 464, 490, 553, 560, 580, 632, 784, 790, 812, 928, 980, 1015, 1106, 1120, 1160, 1264, 1421, 1568, 1580, 1624, 1960, 2030, 2212, 2291, 2320, 2528, 2765, 2842, 3160, 3248, 3871, 3920, 4060, 4424, 4582, 4640, 5530, 5684, 6320, 6496, 7105, 7742, 7840, 8120, 8848, 9164, 11060, 11368, 11455, 12640, 14210, 15484, 16037, 16240, 17696, 18328, 19355, 22120, 22736, 22910, 28420, 30968, 32074, 32480, 36656, 38710, 44240, 45472, 45820, 56840, 61936, 64148, 73312, 77420, 80185, 88480, 91640, 112259, 113680, 123872, 128296, 154840, 160370, 183280, 224518, 227360, 256592, 309680, 320740, 366560, 449036, 513184, 561295, 619360, 641480, 898072, 1122590, 1282960, 1796144, 2245180, 2565920, 3592288, 4490360, 8980720, 17961440]

約数ペア:

[(1, 17961440), (2, 8980720), (4, 4490360), (5, 3592288), (7, 2565920), (8, 2245180), (10, 1796144), (14, 1282960), (16, 1122590), (20, 898072), (28, 641480), (29, 619360), (32, 561295), (35, 513184), (40, 449036), (49, 366560), (56, 320740), (58, 309680), (70, 256592), (79, 227360), (80, 224518), (98, 183280), (112, 160370), (116, 154840), (140, 128296), (145, 123872), (158, 113680), (160, 112259), (196, 91640), (203, 88480), (224, 80185), (232, 77420), (245, 73312), (280, 64148), (290, 61936), (316, 56840), (392, 45820), (395, 45472), (406, 44240), (464, 38710), (490, 36656), (553, 32480), (560, 32074), (580, 30968), (632, 28420), (784, 22910), (790, 22736), (812, 22120), (928, 19355), (980, 18328), (1015, 17696), (1106, 16240), (1120, 16037), (1160, 15484), (1264, 14210), (1421, 12640), (1568, 11455), (1580, 11368), (1624, 11060), (1960, 9164), (2030, 8848), (2212, 8120), (2291, 7840), (2320, 7742), (2528, 7105), (2765, 6496), (2842, 6320), (3160, 5684), (3248, 5530), (3871, 4640), (3920, 4582), (4060, 4424)]