3120780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4001}}^1$

素因数の和:4026

約数の個数: 48

約数和(自身を含む): 9412704

約数和(自身を除く): 6291924

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, 4001, 8002, 12003, 16004, 20005, 24006, 40010, 48012, 52013, 60015, 80020, 104026, 120030, 156039, 208052, 240060, 260065, 312078, 520130, 624156, 780195, 1040260, 1560390, 3120780]

約数ペア:

[(1, 3120780), (2, 1560390), (3, 1040260), (4, 780195), (5, 624156), (6, 520130), (10, 312078), (12, 260065), (13, 240060), (15, 208052), (20, 156039), (26, 120030), (30, 104026), (39, 80020), (52, 60015), (60, 52013), (65, 48012), (78, 40010), (130, 24006), (156, 20005), (195, 16004), (260, 12003), (390, 8002), (780, 4001)]