2620020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3359}}^1$

素因数の和:3384

約数の個数: 48

約数和(自身を含む): 7902720

約数和(自身を除く): 5282700

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, 3359, 6718, 10077, 13436, 16795, 20154, 33590, 40308, 43667, 50385, 67180, 87334, 100770, 131001, 174668, 201540, 218335, 262002, 436670, 524004, 655005, 873340, 1310010, 2620020]

約数ペア:

[(1, 2620020), (2, 1310010), (3, 873340), (4, 655005), (5, 524004), (6, 436670), (10, 262002), (12, 218335), (13, 201540), (15, 174668), (20, 131001), (26, 100770), (30, 87334), (39, 67180), (52, 50385), (60, 43667), (65, 40308), (78, 33590), (130, 20154), (156, 16795), (195, 13436), (260, 10077), (390, 6718), (780, 3359)]