81399360

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{12113}}^1$

素因数の和:12140

約数の個数: 112

約数和(自身を含む): 295387776

約数和(自身を除く): 213988416

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3360, 6720, 12113, 24226, 36339, 48452, 60565, 72678, 84791, 96904, 121130, 145356, 169582, 181695, 193808, 242260, 254373, 290712, 339164, 363390, 387616, 423955, 484520, 508746, 581424, 678328, 726780, 775232, 847910, 969040, 1017492, 1162848, 1271865, 1356656, 1453560, 1695820, 1938080, 2034984, 2325696, 2543730, 2713312, 2907120, 3391640, 3876160, 4069968, 5087460, 5426624, 5814240, 6783280, 8139936, 10174920, 11628480, 13566560, 16279872, 20349840, 27133120, 40699680, 81399360]

約数ペア:

[(1, 81399360), (2, 40699680), (3, 27133120), (4, 20349840), (5, 16279872), (6, 13566560), (7, 11628480), (8, 10174920), (10, 8139936), (12, 6783280), (14, 5814240), (15, 5426624), (16, 5087460), (20, 4069968), (21, 3876160), (24, 3391640), (28, 2907120), (30, 2713312), (32, 2543730), (35, 2325696), (40, 2034984), (42, 1938080), (48, 1695820), (56, 1453560), (60, 1356656), (64, 1271865), (70, 1162848), (80, 1017492), (84, 969040), (96, 847910), (105, 775232), (112, 726780), (120, 678328), (140, 581424), (160, 508746), (168, 484520), (192, 423955), (210, 387616), (224, 363390), (240, 339164), (280, 290712), (320, 254373), (336, 242260), (420, 193808), (448, 181695), (480, 169582), (560, 145356), (672, 121130), (840, 96904), (960, 84791), (1120, 72678), (1344, 60565), (1680, 48452), (2240, 36339), (3360, 24226), (6720, 12113)]