85742440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:335

約数の個数: 128

約数和(自身を含む): 236390400

約数和(自身を除く): 150647960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 71, 76, 95, 133, 140, 142, 152, 190, 227, 266, 280, 284, 355, 380, 454, 497, 532, 568, 665, 710, 760, 908, 994, 1064, 1135, 1330, 1349, 1420, 1589, 1816, 1988, 2270, 2485, 2660, 2698, 2840, 3178, 3976, 4313, 4540, 4970, 5320, 5396, 6356, 6745, 7945, 8626, 9080, 9443, 9940, 10792, 12712, 13490, 15890, 16117, 17252, 18886, 19880, 21565, 26980, 30191, 31780, 32234, 34504, 37772, 43130, 47215, 53960, 60382, 63560, 64468, 75544, 80585, 86260, 94430, 112819, 120764, 128936, 150955, 161170, 172520, 188860, 225638, 241528, 301910, 306223, 322340, 377720, 451276, 564095, 603820, 612446, 644680, 902552, 1128190, 1207640, 1224892, 1531115, 2143561, 2256380, 2449784, 3062230, 4287122, 4512760, 6124460, 8574244, 10717805, 12248920, 17148488, 21435610, 42871220, 85742440]

約数ペア:

[(1, 85742440), (2, 42871220), (4, 21435610), (5, 17148488), (7, 12248920), (8, 10717805), (10, 8574244), (14, 6124460), (19, 4512760), (20, 4287122), (28, 3062230), (35, 2449784), (38, 2256380), (40, 2143561), (56, 1531115), (70, 1224892), (71, 1207640), (76, 1128190), (95, 902552), (133, 644680), (140, 612446), (142, 603820), (152, 564095), (190, 451276), (227, 377720), (266, 322340), (280, 306223), (284, 301910), (355, 241528), (380, 225638), (454, 188860), (497, 172520), (532, 161170), (568, 150955), (665, 128936), (710, 120764), (760, 112819), (908, 94430), (994, 86260), (1064, 80585), (1135, 75544), (1330, 64468), (1349, 63560), (1420, 60382), (1589, 53960), (1816, 47215), (1988, 43130), (2270, 37772), (2485, 34504), (2660, 32234), (2698, 31780), (2840, 30191), (3178, 26980), (3976, 21565), (4313, 19880), (4540, 18886), (4970, 17252), (5320, 16117), (5396, 15890), (6356, 13490), (6745, 12712), (7945, 10792), (8626, 9940), (9080, 9443)]