78451170

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{941}}^1$

素因数の和:1355

約数の個数: 64

約数和(自身を含む): 215951616

約数和(自身を除く): 137500446

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 397, 794, 941, 1191, 1882, 1985, 2382, 2779, 2823, 3970, 4705, 5558, 5646, 5955, 6587, 8337, 9410, 11910, 13174, 13895, 14115, 16674, 19761, 27790, 28230, 32935, 39522, 41685, 65870, 83370, 98805, 197610, 373577, 747154, 1120731, 1867885, 2241462, 2615039, 3735770, 5230078, 5603655, 7845117, 11207310, 13075195, 15690234, 26150390, 39225585, 78451170]

約数ペア:

[(1, 78451170), (2, 39225585), (3, 26150390), (5, 15690234), (6, 13075195), (7, 11207310), (10, 7845117), (14, 5603655), (15, 5230078), (21, 3735770), (30, 2615039), (35, 2241462), (42, 1867885), (70, 1120731), (105, 747154), (210, 373577), (397, 197610), (794, 98805), (941, 83370), (1191, 65870), (1882, 41685), (1985, 39522), (2382, 32935), (2779, 28230), (2823, 27790), (3970, 19761), (4705, 16674), (5558, 14115), (5646, 13895), (5955, 13174), (6587, 11910), (8337, 9410)]