85480640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1231}}^1$

素因数の和:1286

約数の個数: 112

約数和(自身を含む): 240328704

約数和(自身を除く): 154848064

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 868, 992, 1085, 1120, 1231, 1240, 1736, 1984, 2170, 2240, 2462, 2480, 3472, 4340, 4924, 4960, 6155, 6944, 8617, 8680, 9848, 9920, 12310, 13888, 17234, 17360, 19696, 24620, 34468, 34720, 38161, 39392, 43085, 49240, 68936, 69440, 76322, 78784, 86170, 98480, 137872, 152644, 172340, 190805, 196960, 267127, 275744, 305288, 344680, 381610, 393920, 534254, 551488, 610576, 689360, 763220, 1068508, 1221152, 1335635, 1378720, 1526440, 2137016, 2442304, 2671270, 2757440, 3052880, 4274032, 5342540, 6105760, 8548064, 10685080, 12211520, 17096128, 21370160, 42740320, 85480640]

約数ペア:

[(1, 85480640), (2, 42740320), (4, 21370160), (5, 17096128), (7, 12211520), (8, 10685080), (10, 8548064), (14, 6105760), (16, 5342540), (20, 4274032), (28, 3052880), (31, 2757440), (32, 2671270), (35, 2442304), (40, 2137016), (56, 1526440), (62, 1378720), (64, 1335635), (70, 1221152), (80, 1068508), (112, 763220), (124, 689360), (140, 610576), (155, 551488), (160, 534254), (217, 393920), (224, 381610), (248, 344680), (280, 305288), (310, 275744), (320, 267127), (434, 196960), (448, 190805), (496, 172340), (560, 152644), (620, 137872), (868, 98480), (992, 86170), (1085, 78784), (1120, 76322), (1231, 69440), (1240, 68936), (1736, 49240), (1984, 43085), (2170, 39392), (2240, 38161), (2462, 34720), (2480, 34468), (3472, 24620), (4340, 19696), (4924, 17360), (4960, 17234), (6155, 13888), (6944, 12310), (8617, 9920), (8680, 9848)]