27938340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{577}}^1$

素因数の和:861

約数の個数: 72

約数和(自身を含む): 85208760

約数和(自身を除く): 57270420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 269, 538, 577, 807, 1076, 1154, 1345, 1614, 1731, 2308, 2421, 2690, 2885, 3228, 3462, 4035, 4842, 5193, 5380, 5770, 6924, 8070, 8655, 9684, 10386, 11540, 12105, 16140, 17310, 20772, 24210, 25965, 34620, 48420, 51930, 103860, 155213, 310426, 465639, 620852, 776065, 931278, 1396917, 1552130, 1862556, 2328195, 2793834, 3104260, 4656390, 5587668, 6984585, 9312780, 13969170, 27938340]

約数ペア:

[(1, 27938340), (2, 13969170), (3, 9312780), (4, 6984585), (5, 5587668), (6, 4656390), (9, 3104260), (10, 2793834), (12, 2328195), (15, 1862556), (18, 1552130), (20, 1396917), (30, 931278), (36, 776065), (45, 620852), (60, 465639), (90, 310426), (180, 155213), (269, 103860), (538, 51930), (577, 48420), (807, 34620), (1076, 25965), (1154, 24210), (1345, 20772), (1614, 17310), (1731, 16140), (2308, 12105), (2421, 11540), (2690, 10386), (2885, 9684), (3228, 8655), (3462, 8070), (4035, 6924), (4842, 5770), (5193, 5380)]