68891970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1307}}^1$

素因数の和:1575

約数の個数: 64

約数和(自身を含む): 189858816

約数和(自身を除く): 120966846

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 251, 502, 753, 1255, 1307, 1506, 1757, 2510, 2614, 3514, 3765, 3921, 5271, 6535, 7530, 7842, 8785, 9149, 10542, 13070, 17570, 18298, 19605, 26355, 27447, 39210, 45745, 52710, 54894, 91490, 137235, 274470, 328057, 656114, 984171, 1640285, 1968342, 2296399, 3280570, 4592798, 4920855, 6889197, 9841710, 11481995, 13778394, 22963990, 34445985, 68891970]

約数ペア:

[(1, 68891970), (2, 34445985), (3, 22963990), (5, 13778394), (6, 11481995), (7, 9841710), (10, 6889197), (14, 4920855), (15, 4592798), (21, 3280570), (30, 2296399), (35, 1968342), (42, 1640285), (70, 984171), (105, 656114), (210, 328057), (251, 274470), (502, 137235), (753, 91490), (1255, 54894), (1307, 52710), (1506, 45745), (1757, 39210), (2510, 27447), (2614, 26355), (3514, 19605), (3765, 18298), (3921, 17570), (5271, 13070), (6535, 10542), (7530, 9149), (7842, 8785)]