1557562760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{4201}}^1$

素因数の和:4279

約数の個数: 128

約数和(自身を含む): 4066191360

約数和(自身を除く): 2508628600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 31, 40, 46, 52, 62, 65, 92, 104, 115, 124, 130, 155, 184, 230, 248, 260, 299, 310, 403, 460, 520, 598, 620, 713, 806, 920, 1196, 1240, 1426, 1495, 1612, 2015, 2392, 2852, 2990, 3224, 3565, 4030, 4201, 5704, 5980, 7130, 8060, 8402, 9269, 11960, 14260, 16120, 16804, 18538, 21005, 28520, 33608, 37076, 42010, 46345, 54613, 74152, 84020, 92690, 96623, 109226, 130231, 168040, 185380, 193246, 218452, 260462, 273065, 370760, 386492, 436904, 483115, 520924, 546130, 651155, 772984, 966230, 1041848, 1092260, 1256099, 1302310, 1693003, 1932460, 2184520, 2512198, 2604620, 2995313, 3386006, 3864920, 5024396, 5209240, 5990626, 6280495, 6772012, 8465015, 10048792, 11981252, 12560990, 13544024, 14976565, 16930030, 23962504, 25121980, 29953130, 33860060, 38939069, 50243960, 59906260, 67720120, 77878138, 119812520, 155756276, 194695345, 311512552, 389390690, 778781380, 1557562760]

約数ペア:

[(1, 1557562760), (2, 778781380), (4, 389390690), (5, 311512552), (8, 194695345), (10, 155756276), (13, 119812520), (20, 77878138), (23, 67720120), (26, 59906260), (31, 50243960), (40, 38939069), (46, 33860060), (52, 29953130), (62, 25121980), (65, 23962504), (92, 16930030), (104, 14976565), (115, 13544024), (124, 12560990), (130, 11981252), (155, 10048792), (184, 8465015), (230, 6772012), (248, 6280495), (260, 5990626), (299, 5209240), (310, 5024396), (403, 3864920), (460, 3386006), (520, 2995313), (598, 2604620), (620, 2512198), (713, 2184520), (806, 1932460), (920, 1693003), (1196, 1302310), (1240, 1256099), (1426, 1092260), (1495, 1041848), (1612, 966230), (2015, 772984), (2392, 651155), (2852, 546130), (2990, 520924), (3224, 483115), (3565, 436904), (4030, 386492), (4201, 370760), (5704, 273065), (5980, 260462), (7130, 218452), (8060, 193246), (8402, 185380), (9269, 168040), (11960, 130231), (14260, 109226), (16120, 96623), (16804, 92690), (18538, 84020), (21005, 74152), (28520, 54613), (33608, 46345), (37076, 42010)]