72242640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{373}}^1$

素因数の和:661

約数の個数: 120

約数和(自身を含む): 244169640

約数和(自身を除く): 171927000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 269, 360, 373, 538, 720, 746, 807, 1076, 1119, 1345, 1492, 1614, 1865, 2152, 2238, 2421, 2690, 2984, 3228, 3357, 3730, 4035, 4304, 4476, 4842, 5380, 5595, 5968, 6456, 6714, 7460, 8070, 8952, 9684, 10760, 11190, 12105, 12912, 13428, 14920, 16140, 16785, 17904, 19368, 21520, 22380, 24210, 26856, 29840, 32280, 33570, 38736, 44760, 48420, 53712, 64560, 67140, 89520, 96840, 100337, 134280, 193680, 200674, 268560, 301011, 401348, 501685, 602022, 802696, 903033, 1003370, 1204044, 1505055, 1605392, 1806066, 2006740, 2408088, 3010110, 3612132, 4013480, 4515165, 4816176, 6020220, 7224264, 8026960, 9030330, 12040440, 14448528, 18060660, 24080880, 36121320, 72242640]

約数ペア:

[(1, 72242640), (2, 36121320), (3, 24080880), (4, 18060660), (5, 14448528), (6, 12040440), (8, 9030330), (9, 8026960), (10, 7224264), (12, 6020220), (15, 4816176), (16, 4515165), (18, 4013480), (20, 3612132), (24, 3010110), (30, 2408088), (36, 2006740), (40, 1806066), (45, 1605392), (48, 1505055), (60, 1204044), (72, 1003370), (80, 903033), (90, 802696), (120, 602022), (144, 501685), (180, 401348), (240, 301011), (269, 268560), (360, 200674), (373, 193680), (538, 134280), (720, 100337), (746, 96840), (807, 89520), (1076, 67140), (1119, 64560), (1345, 53712), (1492, 48420), (1614, 44760), (1865, 38736), (2152, 33570), (2238, 32280), (2421, 29840), (2690, 26856), (2984, 24210), (3228, 22380), (3357, 21520), (3730, 19368), (4035, 17904), (4304, 16785), (4476, 16140), (4842, 14920), (5380, 13428), (5595, 12912), (5968, 12105), (6456, 11190), (6714, 10760), (7460, 9684), (8070, 8952)]