15994740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{991}}^1$

素因数の和:1272

約数の個数: 48

約数和(自身を含む): 44997120

約数和(自身を除く): 29002380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 269, 538, 807, 991, 1076, 1345, 1614, 1982, 2690, 2973, 3228, 3964, 4035, 4955, 5380, 5946, 8070, 9910, 11892, 14865, 16140, 19820, 29730, 59460, 266579, 533158, 799737, 1066316, 1332895, 1599474, 2665790, 3198948, 3998685, 5331580, 7997370, 15994740]

約数ペア:

[(1, 15994740), (2, 7997370), (3, 5331580), (4, 3998685), (5, 3198948), (6, 2665790), (10, 1599474), (12, 1332895), (15, 1066316), (20, 799737), (30, 533158), (60, 266579), (269, 59460), (538, 29730), (807, 19820), (991, 16140), (1076, 14865), (1345, 11892), (1614, 9910), (1982, 8070), (2690, 5946), (2973, 5380), (3228, 4955), (3964, 4035)]