161287020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{3331}}^1$

素因数の和:3615

約数の個数: 72

約数和(自身を含む): 491203440

約数和(自身を除く): 329916420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 269, 538, 807, 1076, 1345, 1614, 2421, 2690, 3228, 3331, 4035, 4842, 5380, 6662, 8070, 9684, 9993, 12105, 13324, 16140, 16655, 19986, 24210, 29979, 33310, 39972, 48420, 49965, 59958, 66620, 99930, 119916, 149895, 199860, 299790, 599580, 896039, 1792078, 2688117, 3584156, 4480195, 5376234, 8064351, 8960390, 10752468, 13440585, 16128702, 17920780, 26881170, 32257404, 40321755, 53762340, 80643510, 161287020]

約数ペア:

[(1, 161287020), (2, 80643510), (3, 53762340), (4, 40321755), (5, 32257404), (6, 26881170), (9, 17920780), (10, 16128702), (12, 13440585), (15, 10752468), (18, 8960390), (20, 8064351), (30, 5376234), (36, 4480195), (45, 3584156), (60, 2688117), (90, 1792078), (180, 896039), (269, 599580), (538, 299790), (807, 199860), (1076, 149895), (1345, 119916), (1614, 99930), (2421, 66620), (2690, 59958), (3228, 49965), (3331, 48420), (4035, 39972), (4842, 33310), (5380, 29979), (6662, 24210), (8070, 19986), (9684, 16655), (9993, 16140), (12105, 13324)]