7020780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9001}}^1$

素因数の和:9026

約数の個数: 48

約数和(自身を含む): 21172704

約数和(自身を除く): 14151924

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, 9001, 18002, 27003, 36004, 45005, 54006, 90010, 108012, 117013, 135015, 180020, 234026, 270030, 351039, 468052, 540060, 585065, 702078, 1170130, 1404156, 1755195, 2340260, 3510390, 7020780]

約数ペア:

[(1, 7020780), (2, 3510390), (3, 2340260), (4, 1755195), (5, 1404156), (6, 1170130), (10, 702078), (12, 585065), (13, 540060), (15, 468052), (20, 351039), (26, 270030), (30, 234026), (39, 180020), (52, 135015), (60, 117013), (65, 108012), (78, 90010), (130, 54006), (156, 45005), (195, 36004), (260, 27003), (390, 18002), (780, 9001)]