12480780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16001}}^1$

素因数の和:16026

約数の個数: 48

約数和(自身を含む): 37636704

約数和(自身を除く): 25155924

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, 16001, 32002, 48003, 64004, 80005, 96006, 160010, 192012, 208013, 240015, 320020, 416026, 480030, 624039, 832052, 960060, 1040065, 1248078, 2080130, 2496156, 3120195, 4160260, 6240390, 12480780]

約数ペア:

[(1, 12480780), (2, 6240390), (3, 4160260), (4, 3120195), (5, 2496156), (6, 2080130), (10, 1248078), (12, 1040065), (13, 960060), (15, 832052), (20, 624039), (26, 480030), (30, 416026), (39, 320020), (52, 240015), (60, 208013), (65, 192012), (78, 160010), (130, 96006), (156, 80005), (195, 64004), (260, 48003), (390, 32002), (780, 16001)]