289346560

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1823}}^1$

素因数の和:1879

約数の個数: 88

約数和(自身を含む): 716875776

約数和(自身を除く): 427529216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1024, 1240, 1280, 1823, 1984, 2480, 2560, 3646, 3968, 4960, 5120, 7292, 7936, 9115, 9920, 14584, 15872, 18230, 19840, 29168, 31744, 36460, 39680, 56513, 58336, 72920, 79360, 113026, 116672, 145840, 158720, 226052, 233344, 282565, 291680, 452104, 466688, 565130, 583360, 904208, 933376, 1130260, 1166720, 1808416, 1866752, 2260520, 2333440, 3616832, 4521040, 4666880, 7233664, 9042080, 9333760, 14467328, 18084160, 28934656, 36168320, 57869312, 72336640, 144673280, 289346560]

約数ペア:

[(1, 289346560), (2, 144673280), (4, 72336640), (5, 57869312), (8, 36168320), (10, 28934656), (16, 18084160), (20, 14467328), (31, 9333760), (32, 9042080), (40, 7233664), (62, 4666880), (64, 4521040), (80, 3616832), (124, 2333440), (128, 2260520), (155, 1866752), (160, 1808416), (248, 1166720), (256, 1130260), (310, 933376), (320, 904208), (496, 583360), (512, 565130), (620, 466688), (640, 452104), (992, 291680), (1024, 282565), (1240, 233344), (1280, 226052), (1823, 158720), (1984, 145840), (2480, 116672), (2560, 113026), (3646, 79360), (3968, 72920), (4960, 58336), (5120, 56513), (7292, 39680), (7936, 36460), (9115, 31744), (9920, 29168), (14584, 19840), (15872, 18230)]