1565149720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{277}}^1\times {\mathrm{4871}}^1$

素因数の和:5188

約数の個数: 64

約数和(自身を含む): 3656923200

約数和(自身を除く): 2091773480

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 277, 290, 554, 580, 1108, 1160, 1385, 2216, 2770, 4871, 5540, 8033, 9742, 11080, 16066, 19484, 24355, 32132, 38968, 40165, 48710, 64264, 80330, 97420, 141259, 160660, 194840, 282518, 321320, 565036, 706295, 1130072, 1349267, 1412590, 2698534, 2825180, 5397068, 5650360, 6746335, 10794136, 13492670, 26985340, 39128743, 53970680, 78257486, 156514972, 195643715, 313029944, 391287430, 782574860, 1565149720]

約数ペア:

[(1, 1565149720), (2, 782574860), (4, 391287430), (5, 313029944), (8, 195643715), (10, 156514972), (20, 78257486), (29, 53970680), (40, 39128743), (58, 26985340), (116, 13492670), (145, 10794136), (232, 6746335), (277, 5650360), (290, 5397068), (554, 2825180), (580, 2698534), (1108, 1412590), (1160, 1349267), (1385, 1130072), (2216, 706295), (2770, 565036), (4871, 321320), (5540, 282518), (8033, 194840), (9742, 160660), (11080, 141259), (16066, 97420), (19484, 80330), (24355, 64264), (32132, 48710), (38968, 40165)]