81246240

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{6269}}^1$

素因数の和:6296

約数の個数: 120

約数和(自身を含む): 286777260

約数和(自身を除く): 205531020

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2592, 3240, 4320, 6269, 6480, 12538, 12960, 18807, 25076, 31345, 37614, 50152, 56421, 62690, 75228, 94035, 100304, 112842, 125380, 150456, 169263, 188070, 200608, 225684, 250760, 282105, 300912, 338526, 376140, 451368, 501520, 507789, 564210, 601824, 677052, 752280, 846315, 902736, 1003040, 1015578, 1128420, 1354104, 1504560, 1692630, 1805472, 2031156, 2256840, 2538945, 2708208, 3009120, 3385260, 4062312, 4513680, 5077890, 5416416, 6770520, 8124624, 9027360, 10155780, 13541040, 16249248, 20311560, 27082080, 40623120, 81246240]

約数ペア:

[(1, 81246240), (2, 40623120), (3, 27082080), (4, 20311560), (5, 16249248), (6, 13541040), (8, 10155780), (9, 9027360), (10, 8124624), (12, 6770520), (15, 5416416), (16, 5077890), (18, 4513680), (20, 4062312), (24, 3385260), (27, 3009120), (30, 2708208), (32, 2538945), (36, 2256840), (40, 2031156), (45, 1805472), (48, 1692630), (54, 1504560), (60, 1354104), (72, 1128420), (80, 1015578), (81, 1003040), (90, 902736), (96, 846315), (108, 752280), (120, 677052), (135, 601824), (144, 564210), (160, 507789), (162, 501520), (180, 451368), (216, 376140), (240, 338526), (270, 300912), (288, 282105), (324, 250760), (360, 225684), (405, 200608), (432, 188070), (480, 169263), (540, 150456), (648, 125380), (720, 112842), (810, 100304), (864, 94035), (1080, 75228), (1296, 62690), (1440, 56421), (1620, 50152), (2160, 37614), (2592, 31345), (3240, 25076), (4320, 18807), (6269, 12960), (6480, 12538)]