71585540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{337}}^1$

素因数の和:421

約数の個数: 96

約数和(自身を含む): 174894720

約数和(自身を除く): 103309180

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 43, 52, 65, 76, 86, 95, 130, 172, 190, 215, 247, 260, 337, 380, 430, 494, 559, 674, 817, 860, 988, 1118, 1235, 1348, 1634, 1685, 2236, 2470, 2795, 3268, 3370, 4085, 4381, 4940, 5590, 6403, 6740, 8170, 8762, 10621, 11180, 12806, 14491, 16340, 17524, 21242, 21905, 25612, 28982, 32015, 42484, 43810, 53105, 57964, 64030, 72455, 83239, 87620, 106210, 128060, 144910, 166478, 188383, 212420, 275329, 289820, 332956, 376766, 416195, 550658, 753532, 832390, 941915, 1101316, 1376645, 1664780, 1883830, 2753290, 3579277, 3767660, 5506580, 7158554, 14317108, 17896385, 35792770, 71585540]

約数ペア:

[(1, 71585540), (2, 35792770), (4, 17896385), (5, 14317108), (10, 7158554), (13, 5506580), (19, 3767660), (20, 3579277), (26, 2753290), (38, 1883830), (43, 1664780), (52, 1376645), (65, 1101316), (76, 941915), (86, 832390), (95, 753532), (130, 550658), (172, 416195), (190, 376766), (215, 332956), (247, 289820), (260, 275329), (337, 212420), (380, 188383), (430, 166478), (494, 144910), (559, 128060), (674, 106210), (817, 87620), (860, 83239), (988, 72455), (1118, 64030), (1235, 57964), (1348, 53105), (1634, 43810), (1685, 42484), (2236, 32015), (2470, 28982), (2795, 25612), (3268, 21905), (3370, 21242), (4085, 17524), (4381, 16340), (4940, 14491), (5590, 12806), (6403, 11180), (6740, 10621), (8170, 8762)]