28575660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20707}}^1$

素因数の和:20742

約数の個数: 48

約数和(自身を含む): 83494656

約数和(自身を除く): 54918996

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 20707, 41414, 62121, 82828, 103535, 124242, 207070, 248484, 310605, 414140, 476261, 621210, 952522, 1242420, 1428783, 1905044, 2381305, 2857566, 4762610, 5715132, 7143915, 9525220, 14287830, 28575660]

約数ペア:

[(1, 28575660), (2, 14287830), (3, 9525220), (4, 7143915), (5, 5715132), (6, 4762610), (10, 2857566), (12, 2381305), (15, 1905044), (20, 1428783), (23, 1242420), (30, 952522), (46, 621210), (60, 476261), (69, 414140), (92, 310605), (115, 248484), (138, 207070), (230, 124242), (276, 103535), (345, 82828), (460, 62121), (690, 41414), (1380, 20707)]