28227030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{461}}^1$

素因数の和:641

約数の個数: 64

約数和(自身を含む): 73579968

約数和(自身を除く): 45352938

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 157, 195, 314, 390, 461, 471, 785, 922, 942, 1383, 1570, 2041, 2305, 2355, 2766, 4082, 4610, 4710, 5993, 6123, 6915, 10205, 11986, 12246, 13830, 17979, 20410, 29965, 30615, 35958, 59930, 61230, 72377, 89895, 144754, 179790, 217131, 361885, 434262, 723770, 940901, 1085655, 1881802, 2171310, 2822703, 4704505, 5645406, 9409010, 14113515, 28227030]

約数ペア:

[(1, 28227030), (2, 14113515), (3, 9409010), (5, 5645406), (6, 4704505), (10, 2822703), (13, 2171310), (15, 1881802), (26, 1085655), (30, 940901), (39, 723770), (65, 434262), (78, 361885), (130, 217131), (157, 179790), (195, 144754), (314, 89895), (390, 72377), (461, 61230), (471, 59930), (785, 35958), (922, 30615), (942, 29965), (1383, 20410), (1570, 17979), (2041, 13830), (2305, 12246), (2355, 11986), (2766, 10205), (4082, 6915), (4610, 6123), (4710, 5993)]