401447280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{128669}}^1$

素因数の和:128698

約数の個数: 80

約数和(自身を含む): 1340226720

約数和(自身を除く): 938779440

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, 128669, 257338, 386007, 514676, 643345, 772014, 1029352, 1286690, 1544028, 1672697, 1930035, 2058704, 2573380, 3088056, 3345394, 3860070, 5018091, 5146760, 6176112, 6690788, 7720140, 8363485, 10036182, 10293520, 13381576, 15440280, 16726970, 20072364, 25090455, 26763152, 30880560, 33453940, 40144728, 50180910, 66907880, 80289456, 100361820, 133815760, 200723640, 401447280]

約数ペア:

[(1, 401447280), (2, 200723640), (3, 133815760), (4, 100361820), (5, 80289456), (6, 66907880), (8, 50180910), (10, 40144728), (12, 33453940), (13, 30880560), (15, 26763152), (16, 25090455), (20, 20072364), (24, 16726970), (26, 15440280), (30, 13381576), (39, 10293520), (40, 10036182), (48, 8363485), (52, 7720140), (60, 6690788), (65, 6176112), (78, 5146760), (80, 5018091), (104, 3860070), (120, 3345394), (130, 3088056), (156, 2573380), (195, 2058704), (208, 1930035), (240, 1672697), (260, 1544028), (312, 1286690), (390, 1029352), (520, 772014), (624, 643345), (780, 514676), (1040, 386007), (1560, 257338), (3120, 128669)]