71641780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1171}}^1$

素因数の和:1229

約数の個数: 96

約数和(自身を含む): 189020160

約数和(自身を除く): 117378380

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 23, 28, 35, 38, 46, 70, 76, 92, 95, 115, 133, 140, 161, 190, 230, 266, 322, 380, 437, 460, 532, 644, 665, 805, 874, 1171, 1330, 1610, 1748, 2185, 2342, 2660, 3059, 3220, 4370, 4684, 5855, 6118, 8197, 8740, 11710, 12236, 15295, 16394, 22249, 23420, 26933, 30590, 32788, 40985, 44498, 53866, 61180, 81970, 88996, 107732, 111245, 134665, 155743, 163940, 188531, 222490, 269330, 311486, 377062, 444980, 511727, 538660, 622972, 754124, 778715, 942655, 1023454, 1557430, 1885310, 2046908, 2558635, 3114860, 3582089, 3770620, 5117270, 7164178, 10234540, 14328356, 17910445, 35820890, 71641780]

約数ペア:

[(1, 71641780), (2, 35820890), (4, 17910445), (5, 14328356), (7, 10234540), (10, 7164178), (14, 5117270), (19, 3770620), (20, 3582089), (23, 3114860), (28, 2558635), (35, 2046908), (38, 1885310), (46, 1557430), (70, 1023454), (76, 942655), (92, 778715), (95, 754124), (115, 622972), (133, 538660), (140, 511727), (161, 444980), (190, 377062), (230, 311486), (266, 269330), (322, 222490), (380, 188531), (437, 163940), (460, 155743), (532, 134665), (644, 111245), (665, 107732), (805, 88996), (874, 81970), (1171, 61180), (1330, 53866), (1610, 44498), (1748, 40985), (2185, 32788), (2342, 30590), (2660, 26933), (3059, 23420), (3220, 22249), (4370, 16394), (4684, 15295), (5855, 12236), (6118, 11710), (8197, 8740)]