66719970

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4051}}^1$

素因数の和:4128

約数の個数: 64

約数和(自身を含む): 180881280

約数和(自身を除く): 114161310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 61, 90, 122, 135, 183, 270, 305, 366, 549, 610, 915, 1098, 1647, 1830, 2745, 3294, 4051, 5490, 8102, 8235, 12153, 16470, 20255, 24306, 36459, 40510, 60765, 72918, 109377, 121530, 182295, 218754, 247111, 364590, 494222, 546885, 741333, 1093770, 1235555, 1482666, 2223999, 2471110, 3706665, 4447998, 6671997, 7413330, 11119995, 13343994, 22239990, 33359985, 66719970]

約数ペア:

[(1, 66719970), (2, 33359985), (3, 22239990), (5, 13343994), (6, 11119995), (9, 7413330), (10, 6671997), (15, 4447998), (18, 3706665), (27, 2471110), (30, 2223999), (45, 1482666), (54, 1235555), (61, 1093770), (90, 741333), (122, 546885), (135, 494222), (183, 364590), (270, 247111), (305, 218754), (366, 182295), (549, 121530), (610, 109377), (915, 72918), (1098, 60765), (1647, 40510), (1830, 36459), (2745, 24306), (3294, 20255), (4051, 16470), (5490, 12153), (8102, 8235)]