128125860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{16301}}^1$

素因数の和:16444

約数の個数: 48

約数和(自身を含む): 361513152

約数和(自身を除く): 233387292

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1965, 2620, 3930, 7860, 16301, 32602, 48903, 65204, 81505, 97806, 163010, 195612, 244515, 326020, 489030, 978060, 2135431, 4270862, 6406293, 8541724, 10677155, 12812586, 21354310, 25625172, 32031465, 42708620, 64062930, 128125860]

約数ペア:

[(1, 128125860), (2, 64062930), (3, 42708620), (4, 32031465), (5, 25625172), (6, 21354310), (10, 12812586), (12, 10677155), (15, 8541724), (20, 6406293), (30, 4270862), (60, 2135431), (131, 978060), (262, 489030), (393, 326020), (524, 244515), (655, 195612), (786, 163010), (1310, 97806), (1572, 81505), (1965, 65204), (2620, 48903), (3930, 32602), (7860, 16301)]