81934740

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{733}}^1$

素因数の和:780

約数の個数: 144

約数和(自身を含む): 269313408

約数和(自身を除く): 187378668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 45, 46, 54, 60, 69, 81, 90, 92, 108, 115, 135, 138, 162, 180, 207, 230, 243, 270, 276, 324, 345, 405, 414, 460, 486, 540, 621, 690, 733, 810, 828, 972, 1035, 1215, 1242, 1380, 1466, 1620, 1863, 2070, 2199, 2430, 2484, 2932, 3105, 3665, 3726, 4140, 4398, 4860, 5589, 6210, 6597, 7330, 7452, 8796, 9315, 10995, 11178, 12420, 13194, 14660, 16859, 18630, 19791, 21990, 22356, 26388, 27945, 32985, 33718, 37260, 39582, 43980, 50577, 55890, 59373, 65970, 67436, 79164, 84295, 98955, 101154, 111780, 118746, 131940, 151731, 168590, 178119, 197910, 202308, 237492, 252885, 296865, 303462, 337180, 356238, 395820, 455193, 505770, 593730, 606924, 712476, 758655, 890595, 910386, 1011540, 1187460, 1365579, 1517310, 1781190, 1820772, 2275965, 2731158, 3034620, 3562380, 4096737, 4551930, 5462316, 6827895, 8193474, 9103860, 13655790, 16386948, 20483685, 27311580, 40967370, 81934740]

約数ペア:

[(1, 81934740), (2, 40967370), (3, 27311580), (4, 20483685), (5, 16386948), (6, 13655790), (9, 9103860), (10, 8193474), (12, 6827895), (15, 5462316), (18, 4551930), (20, 4096737), (23, 3562380), (27, 3034620), (30, 2731158), (36, 2275965), (45, 1820772), (46, 1781190), (54, 1517310), (60, 1365579), (69, 1187460), (81, 1011540), (90, 910386), (92, 890595), (108, 758655), (115, 712476), (135, 606924), (138, 593730), (162, 505770), (180, 455193), (207, 395820), (230, 356238), (243, 337180), (270, 303462), (276, 296865), (324, 252885), (345, 237492), (405, 202308), (414, 197910), (460, 178119), (486, 168590), (540, 151731), (621, 131940), (690, 118746), (733, 111780), (810, 101154), (828, 98955), (972, 84295), (1035, 79164), (1215, 67436), (1242, 65970), (1380, 59373), (1466, 55890), (1620, 50577), (1863, 43980), (2070, 39582), (2199, 37260), (2430, 33718), (2484, 32985), (2932, 27945), (3105, 26388), (3665, 22356), (3726, 21990), (4140, 19791), (4398, 18630), (4860, 16859), (5589, 14660), (6210, 13194), (6597, 12420), (7330, 11178), (7452, 10995), (8796, 9315)]