28083120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9001}}^1$

素因数の和:9030

約数の個数: 80

約数和(自身を含む): 93764832

約数和(自身を除く): 65681712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 9001, 18002, 27003, 36004, 45005, 54006, 72008, 90010, 108012, 117013, 135015, 144016, 180020, 216024, 234026, 270030, 351039, 360040, 432048, 468052, 540060, 585065, 702078, 720080, 936104, 1080120, 1170130, 1404156, 1755195, 1872208, 2160240, 2340260, 2808312, 3510390, 4680520, 5616624, 7020780, 9361040, 14041560, 28083120]

約数ペア:

[(1, 28083120), (2, 14041560), (3, 9361040), (4, 7020780), (5, 5616624), (6, 4680520), (8, 3510390), (10, 2808312), (12, 2340260), (13, 2160240), (15, 1872208), (16, 1755195), (20, 1404156), (24, 1170130), (26, 1080120), (30, 936104), (39, 720080), (40, 702078), (48, 585065), (52, 540060), (60, 468052), (65, 432048), (78, 360040), (80, 351039), (104, 270030), (120, 234026), (130, 216024), (156, 180020), (195, 144016), (208, 135015), (240, 117013), (260, 108012), (312, 90010), (390, 72008), (520, 54006), (624, 45005), (780, 36004), (1040, 27003), (1560, 18002), (3120, 9001)]