16722560

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:118

約数の個数: 128

約数和(自身を含む): 44614800

約数和(自身を除く): 27892240

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 32, 34, 40, 53, 58, 64, 68, 80, 85, 106, 116, 128, 136, 145, 160, 170, 212, 232, 265, 272, 290, 320, 340, 424, 464, 493, 530, 544, 580, 640, 680, 848, 901, 928, 986, 1060, 1088, 1160, 1360, 1537, 1696, 1802, 1856, 1972, 2120, 2176, 2320, 2465, 2720, 3074, 3392, 3604, 3712, 3944, 4240, 4505, 4640, 4930, 5440, 6148, 6784, 7208, 7685, 7888, 8480, 9010, 9280, 9860, 10880, 12296, 14416, 15370, 15776, 16960, 18020, 18560, 19720, 24592, 26129, 28832, 30740, 31552, 33920, 36040, 39440, 49184, 52258, 57664, 61480, 63104, 72080, 78880, 98368, 104516, 115328, 122960, 130645, 144160, 157760, 196736, 209032, 245920, 261290, 288320, 315520, 418064, 491840, 522580, 576640, 836128, 983680, 1045160, 1672256, 2090320, 3344512, 4180640, 8361280, 16722560]

約数ペア:

[(1, 16722560), (2, 8361280), (4, 4180640), (5, 3344512), (8, 2090320), (10, 1672256), (16, 1045160), (17, 983680), (20, 836128), (29, 576640), (32, 522580), (34, 491840), (40, 418064), (53, 315520), (58, 288320), (64, 261290), (68, 245920), (80, 209032), (85, 196736), (106, 157760), (116, 144160), (128, 130645), (136, 122960), (145, 115328), (160, 104516), (170, 98368), (212, 78880), (232, 72080), (265, 63104), (272, 61480), (290, 57664), (320, 52258), (340, 49184), (424, 39440), (464, 36040), (493, 33920), (530, 31552), (544, 30740), (580, 28832), (640, 26129), (680, 24592), (848, 19720), (901, 18560), (928, 18020), (986, 16960), (1060, 15776), (1088, 15370), (1160, 14416), (1360, 12296), (1537, 10880), (1696, 9860), (1802, 9280), (1856, 9010), (1972, 8480), (2120, 7888), (2176, 7685), (2320, 7208), (2465, 6784), (2720, 6148), (3074, 5440), (3392, 4930), (3604, 4640), (3712, 4505), (3944, 4240)]