30278235

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:244

約数の個数: 64

約数和(自身を含む): 56060928

約数和(自身を除く): 25782693

約数列:

[1, 3, 5, 13, 15, 23, 39, 43, 65, 69, 115, 129, 157, 195, 215, 299, 345, 471, 559, 645, 785, 897, 989, 1495, 1677, 2041, 2355, 2795, 2967, 3611, 4485, 4945, 6123, 6751, 8385, 10205, 10833, 12857, 14835, 18055, 20253, 30615, 33755, 38571, 46943, 54165, 64285, 87763, 101265, 140829, 155273, 192855, 234715, 263289, 438815, 465819, 704145, 776365, 1316445, 2018549, 2329095, 6055647, 10092745, 30278235]

約数ペア:

[(1, 30278235), (3, 10092745), (5, 6055647), (13, 2329095), (15, 2018549), (23, 1316445), (39, 776365), (43, 704145), (65, 465819), (69, 438815), (115, 263289), (129, 234715), (157, 192855), (195, 155273), (215, 140829), (299, 101265), (345, 87763), (471, 64285), (559, 54165), (645, 46943), (785, 38571), (897, 33755), (989, 30615), (1495, 20253), (1677, 18055), (2041, 14835), (2355, 12857), (2795, 10833), (2967, 10205), (3611, 8385), (4485, 6751), (4945, 6123)]