85891960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{353}}^1$

素因数の和:461

約数の個数: 128

約数和(自身を含む): 244684800

約数和(自身を除く): 158792840

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 79, 88, 110, 140, 154, 158, 220, 280, 308, 316, 353, 385, 395, 440, 553, 616, 632, 706, 770, 790, 869, 1106, 1412, 1540, 1580, 1738, 1765, 2212, 2471, 2765, 2824, 3080, 3160, 3476, 3530, 3883, 4345, 4424, 4942, 5530, 6083, 6952, 7060, 7766, 8690, 9884, 11060, 12166, 12355, 14120, 15532, 17380, 19415, 19768, 22120, 24332, 24710, 27181, 27887, 30415, 31064, 34760, 38830, 48664, 49420, 54362, 55774, 60830, 77660, 98840, 108724, 111548, 121660, 135905, 139435, 155320, 195209, 217448, 223096, 243320, 271810, 278870, 306757, 390418, 543620, 557740, 613514, 780836, 976045, 1087240, 1115480, 1227028, 1533785, 1561672, 1952090, 2147299, 2454056, 3067570, 3904180, 4294598, 6135140, 7808360, 8589196, 10736495, 12270280, 17178392, 21472990, 42945980, 85891960]

約数ペア:

[(1, 85891960), (2, 42945980), (4, 21472990), (5, 17178392), (7, 12270280), (8, 10736495), (10, 8589196), (11, 7808360), (14, 6135140), (20, 4294598), (22, 3904180), (28, 3067570), (35, 2454056), (40, 2147299), (44, 1952090), (55, 1561672), (56, 1533785), (70, 1227028), (77, 1115480), (79, 1087240), (88, 976045), (110, 780836), (140, 613514), (154, 557740), (158, 543620), (220, 390418), (280, 306757), (308, 278870), (316, 271810), (353, 243320), (385, 223096), (395, 217448), (440, 195209), (553, 155320), (616, 139435), (632, 135905), (706, 121660), (770, 111548), (790, 108724), (869, 98840), (1106, 77660), (1412, 60830), (1540, 55774), (1580, 54362), (1738, 49420), (1765, 48664), (2212, 38830), (2471, 34760), (2765, 31064), (2824, 30415), (3080, 27887), (3160, 27181), (3476, 24710), (3530, 24332), (3883, 22120), (4345, 19768), (4424, 19415), (4942, 17380), (5530, 15532), (6083, 14120), (6952, 12355), (7060, 12166), (7766, 11060), (8690, 9884)]