30180020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{8929}}^1$

素因数の和:8964

約数の個数: 36

約数和(自身を含む): 68635980

約数和(自身を除く): 38455960

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 8929, 17858, 35716, 44645, 89290, 116077, 178580, 232154, 464308, 580385, 1160770, 1509001, 2321540, 3018002, 6036004, 7545005, 15090010, 30180020]

約数ペア:

[(1, 30180020), (2, 15090010), (4, 7545005), (5, 6036004), (10, 3018002), (13, 2321540), (20, 1509001), (26, 1160770), (52, 580385), (65, 464308), (130, 232154), (169, 178580), (260, 116077), (338, 89290), (676, 44645), (845, 35716), (1690, 17858), (3380, 8929)]