1581262420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{821}}^1$

素因数の和:985

約数の個数: 96

約数和(自身を含む): 3579448320

約数和(自身を除く): 1998185900

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 53, 79, 92, 106, 115, 158, 212, 230, 265, 316, 395, 460, 530, 790, 821, 1060, 1219, 1580, 1642, 1817, 2438, 3284, 3634, 4105, 4187, 4876, 6095, 7268, 8210, 8374, 9085, 12190, 16420, 16748, 18170, 18883, 20935, 24380, 36340, 37766, 41870, 43513, 64859, 75532, 83740, 87026, 94415, 96301, 129718, 174052, 188830, 192602, 217565, 259436, 324295, 377660, 385204, 435130, 481505, 648590, 870260, 963010, 1000799, 1297180, 1491757, 1926020, 2001598, 2983514, 3437527, 4003196, 5003995, 5967028, 6875054, 7458785, 10007990, 13750108, 14917570, 17187635, 20015980, 29835140, 34375270, 68750540, 79063121, 158126242, 316252484, 395315605, 790631210, 1581262420]

約数ペア:

[(1, 1581262420), (2, 790631210), (4, 395315605), (5, 316252484), (10, 158126242), (20, 79063121), (23, 68750540), (46, 34375270), (53, 29835140), (79, 20015980), (92, 17187635), (106, 14917570), (115, 13750108), (158, 10007990), (212, 7458785), (230, 6875054), (265, 5967028), (316, 5003995), (395, 4003196), (460, 3437527), (530, 2983514), (790, 2001598), (821, 1926020), (1060, 1491757), (1219, 1297180), (1580, 1000799), (1642, 963010), (1817, 870260), (2438, 648590), (3284, 481505), (3634, 435130), (4105, 385204), (4187, 377660), (4876, 324295), (6095, 259436), (7268, 217565), (8210, 192602), (8374, 188830), (9085, 174052), (12190, 129718), (16420, 96301), (16748, 94415), (18170, 87026), (18883, 83740), (20935, 75532), (24380, 64859), (36340, 43513), (37766, 41870)]