164484520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{439}}^1$

素因数の和:515

約数の個数: 128

約数和(自身を含む): 427680000

約数和(自身を除く): 263195480

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 29, 34, 38, 40, 58, 68, 76, 85, 95, 116, 136, 145, 152, 170, 190, 232, 290, 323, 340, 380, 439, 493, 551, 580, 646, 680, 760, 878, 986, 1102, 1160, 1292, 1615, 1756, 1972, 2195, 2204, 2465, 2584, 2755, 3230, 3512, 3944, 4390, 4408, 4930, 5510, 6460, 7463, 8341, 8780, 9367, 9860, 11020, 12731, 12920, 14926, 16682, 17560, 18734, 19720, 22040, 25462, 29852, 33364, 37315, 37468, 41705, 46835, 50924, 59704, 63655, 66728, 74630, 74936, 83410, 93670, 101848, 127310, 141797, 149260, 166820, 187340, 216427, 241889, 254620, 283594, 298520, 333640, 374680, 432854, 483778, 509240, 567188, 708985, 865708, 967556, 1082135, 1134376, 1209445, 1417970, 1731416, 1935112, 2164270, 2418890, 2835940, 4112113, 4328540, 4837780, 5671880, 8224226, 8657080, 9675560, 16448452, 20560565, 32896904, 41121130, 82242260, 164484520]

約数ペア:

[(1, 164484520), (2, 82242260), (4, 41121130), (5, 32896904), (8, 20560565), (10, 16448452), (17, 9675560), (19, 8657080), (20, 8224226), (29, 5671880), (34, 4837780), (38, 4328540), (40, 4112113), (58, 2835940), (68, 2418890), (76, 2164270), (85, 1935112), (95, 1731416), (116, 1417970), (136, 1209445), (145, 1134376), (152, 1082135), (170, 967556), (190, 865708), (232, 708985), (290, 567188), (323, 509240), (340, 483778), (380, 432854), (439, 374680), (493, 333640), (551, 298520), (580, 283594), (646, 254620), (680, 241889), (760, 216427), (878, 187340), (986, 166820), (1102, 149260), (1160, 141797), (1292, 127310), (1615, 101848), (1756, 93670), (1972, 83410), (2195, 74936), (2204, 74630), (2465, 66728), (2584, 63655), (2755, 59704), (3230, 50924), (3512, 46835), (3944, 41705), (4390, 37468), (4408, 37315), (4930, 33364), (5510, 29852), (6460, 25462), (7463, 22040), (8341, 19720), (8780, 18734), (9367, 17560), (9860, 16682), (11020, 14926), (12731, 12920)]