81262080

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{3527}}^1$

素因数の和:3556

約数の個数: 120

約数和(自身を含む): 281513232

約数和(自身を除く): 200251152

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3527, 3840, 4608, 5760, 7054, 7680, 10581, 11520, 14108, 17635, 21162, 23040, 28216, 31743, 35270, 42324, 52905, 56432, 63486, 70540, 84648, 105810, 112864, 126972, 141080, 158715, 169296, 211620, 225728, 253944, 282160, 317430, 338592, 423240, 451456, 507888, 564320, 634860, 677184, 846480, 902912, 1015776, 1128640, 1269720, 1354368, 1692960, 1805824, 2031552, 2257280, 2539440, 2708736, 3385920, 4063104, 4514560, 5078880, 5417472, 6771840, 8126208, 9029120, 10157760, 13543680, 16252416, 20315520, 27087360, 40631040, 81262080]

約数ペア:

[(1, 81262080), (2, 40631040), (3, 27087360), (4, 20315520), (5, 16252416), (6, 13543680), (8, 10157760), (9, 9029120), (10, 8126208), (12, 6771840), (15, 5417472), (16, 5078880), (18, 4514560), (20, 4063104), (24, 3385920), (30, 2708736), (32, 2539440), (36, 2257280), (40, 2031552), (45, 1805824), (48, 1692960), (60, 1354368), (64, 1269720), (72, 1128640), (80, 1015776), (90, 902912), (96, 846480), (120, 677184), (128, 634860), (144, 564320), (160, 507888), (180, 451456), (192, 423240), (240, 338592), (256, 317430), (288, 282160), (320, 253944), (360, 225728), (384, 211620), (480, 169296), (512, 158715), (576, 141080), (640, 126972), (720, 112864), (768, 105810), (960, 84648), (1152, 70540), (1280, 63486), (1440, 56432), (1536, 52905), (1920, 42324), (2304, 35270), (2560, 31743), (2880, 28216), (3527, 23040), (3840, 21162), (4608, 17635), (5760, 14108), (7054, 11520), (7680, 10581)]