30157720

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{4993}}^1$

素因数の和:5155

約数の個数: 32

約数和(自身を含む): 68317920

約数和(自身を除く): 38160200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 4993, 6040, 9986, 19972, 24965, 39944, 49930, 99860, 199720, 753943, 1507886, 3015772, 3769715, 6031544, 7539430, 15078860, 30157720]

約数ペア:

[(1, 30157720), (2, 15078860), (4, 7539430), (5, 6031544), (8, 3769715), (10, 3015772), (20, 1507886), (40, 753943), (151, 199720), (302, 99860), (604, 49930), (755, 39944), (1208, 24965), (1510, 19972), (3020, 9986), (4993, 6040)]