126640020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{162359}}^1$

素因数の和:162384

約数の個数: 48

約数和(自身を含む): 381870720

約数和(自身を除く): 255230700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 162359, 324718, 487077, 649436, 811795, 974154, 1623590, 1948308, 2110667, 2435385, 3247180, 4221334, 4870770, 6332001, 8442668, 9741540, 10553335, 12664002, 21106670, 25328004, 31660005, 42213340, 63320010, 126640020]

約数ペア:

[(1, 126640020), (2, 63320010), (3, 42213340), (4, 31660005), (5, 25328004), (6, 21106670), (10, 12664002), (12, 10553335), (13, 9741540), (15, 8442668), (20, 6332001), (26, 4870770), (30, 4221334), (39, 3247180), (52, 2435385), (60, 2110667), (65, 1948308), (78, 1623590), (130, 974154), (156, 811795), (195, 649436), (260, 487077), (390, 324718), (780, 162359)]