205665120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7517}}^1$

素因数の和:7557

約数の個数: 144

約数和(自身を含む): 738869040

約数和(自身を除く): 533203920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 228, 240, 285, 288, 304, 342, 360, 380, 456, 480, 570, 608, 684, 720, 760, 855, 912, 1140, 1368, 1440, 1520, 1710, 1824, 2280, 2736, 3040, 3420, 4560, 5472, 6840, 7517, 9120, 13680, 15034, 22551, 27360, 30068, 37585, 45102, 60136, 67653, 75170, 90204, 112755, 120272, 135306, 142823, 150340, 180408, 225510, 240544, 270612, 285646, 300680, 338265, 360816, 428469, 451020, 541224, 571292, 601360, 676530, 714115, 721632, 856938, 902040, 1082448, 1142584, 1202720, 1285407, 1353060, 1428230, 1713876, 1804080, 2142345, 2164896, 2285168, 2570814, 2706120, 2856460, 3427752, 3608160, 4284690, 4570336, 5141628, 5412240, 5712920, 6427035, 6855504, 8569380, 10283256, 10824480, 11425840, 12854070, 13711008, 17138760, 20566512, 22851680, 25708140, 34277520, 41133024, 51416280, 68555040, 102832560, 205665120]

約数ペア:

[(1, 205665120), (2, 102832560), (3, 68555040), (4, 51416280), (5, 41133024), (6, 34277520), (8, 25708140), (9, 22851680), (10, 20566512), (12, 17138760), (15, 13711008), (16, 12854070), (18, 11425840), (19, 10824480), (20, 10283256), (24, 8569380), (30, 6855504), (32, 6427035), (36, 5712920), (38, 5412240), (40, 5141628), (45, 4570336), (48, 4284690), (57, 3608160), (60, 3427752), (72, 2856460), (76, 2706120), (80, 2570814), (90, 2285168), (95, 2164896), (96, 2142345), (114, 1804080), (120, 1713876), (144, 1428230), (152, 1353060), (160, 1285407), (171, 1202720), (180, 1142584), (190, 1082448), (228, 902040), (240, 856938), (285, 721632), (288, 714115), (304, 676530), (342, 601360), (360, 571292), (380, 541224), (456, 451020), (480, 428469), (570, 360816), (608, 338265), (684, 300680), (720, 285646), (760, 270612), (855, 240544), (912, 225510), (1140, 180408), (1368, 150340), (1440, 142823), (1520, 135306), (1710, 120272), (1824, 112755), (2280, 90204), (2736, 75170), (3040, 67653), (3420, 60136), (4560, 45102), (5472, 37585), (6840, 30068), (7517, 27360), (9120, 22551), (13680, 15034)]