491360520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1811}}^1$

素因数の和:1868

約数の個数: 256

約数和(自身を含む): 1878681600

約数和(自身を除く): 1387321080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 19, 20, 21, 24, 28, 30, 34, 35, 38, 40, 42, 51, 56, 57, 60, 68, 70, 76, 84, 85, 95, 102, 105, 114, 119, 120, 133, 136, 140, 152, 168, 170, 190, 204, 210, 228, 238, 255, 266, 280, 285, 323, 340, 357, 380, 399, 408, 420, 456, 476, 510, 532, 570, 595, 646, 665, 680, 714, 760, 798, 840, 952, 969, 1020, 1064, 1140, 1190, 1292, 1330, 1428, 1596, 1615, 1785, 1811, 1938, 1995, 2040, 2261, 2280, 2380, 2584, 2660, 2856, 3192, 3230, 3570, 3622, 3876, 3990, 4522, 4760, 4845, 5320, 5433, 6460, 6783, 7140, 7244, 7752, 7980, 9044, 9055, 9690, 10866, 11305, 12677, 12920, 13566, 14280, 14488, 15960, 18088, 18110, 19380, 21732, 22610, 25354, 27132, 27165, 30787, 33915, 34409, 36220, 38031, 38760, 43464, 45220, 50708, 54264, 54330, 61574, 63385, 67830, 68818, 72440, 76062, 90440, 92361, 101416, 103227, 108660, 123148, 126770, 135660, 137636, 152124, 153935, 172045, 184722, 190155, 206454, 215509, 217320, 240863, 246296, 253540, 271320, 275272, 304248, 307870, 344090, 369444, 380310, 412908, 431018, 461805, 481726, 507080, 516135, 584953, 615740, 646527, 688180, 722589, 738888, 760620, 825816, 862036, 923610, 963452, 1032270, 1077545, 1169906, 1204315, 1231480, 1293054, 1376360, 1445178, 1521240, 1724072, 1754859, 1847220, 1926904, 2064540, 2155090, 2339812, 2408630, 2586108, 2890356, 2924765, 3232635, 3509718, 3612945, 3694440, 4094671, 4129080, 4310180, 4679624, 4817260, 5172216, 5780712, 5849530, 6465270, 7019436, 7225890, 8189342, 8620360, 8774295, 9634520, 11699060, 12284013, 12930540, 14038872, 14451780, 16378684, 17548590, 20473355, 23398120, 24568026, 25861080, 28903560, 32757368, 35097180, 40946710, 49136052, 61420065, 70194360, 81893420, 98272104, 122840130, 163786840, 245680260, 491360520]

約数ペア:

[(1, 491360520), (2, 245680260), (3, 163786840), (4, 122840130), (5, 98272104), (6, 81893420), (7, 70194360), (8, 61420065), (10, 49136052), (12, 40946710), (14, 35097180), (15, 32757368), (17, 28903560), (19, 25861080), (20, 24568026), (21, 23398120), (24, 20473355), (28, 17548590), (30, 16378684), (34, 14451780), (35, 14038872), (38, 12930540), (40, 12284013), (42, 11699060), (51, 9634520), (56, 8774295), (57, 8620360), (60, 8189342), (68, 7225890), (70, 7019436), (76, 6465270), (84, 5849530), (85, 5780712), (95, 5172216), (102, 4817260), (105, 4679624), (114, 4310180), (119, 4129080), (120, 4094671), (133, 3694440), (136, 3612945), (140, 3509718), (152, 3232635), (168, 2924765), (170, 2890356), (190, 2586108), (204, 2408630), (210, 2339812), (228, 2155090), (238, 2064540), (255, 1926904), (266, 1847220), (280, 1754859), (285, 1724072), (323, 1521240), (340, 1445178), (357, 1376360), (380, 1293054), (399, 1231480), (408, 1204315), (420, 1169906), (456, 1077545), (476, 1032270), (510, 963452), (532, 923610), (570, 862036), (595, 825816), (646, 760620), (665, 738888), (680, 722589), (714, 688180), (760, 646527), (798, 615740), (840, 584953), (952, 516135), (969, 507080), (1020, 481726), (1064, 461805), (1140, 431018), (1190, 412908), (1292, 380310), (1330, 369444), (1428, 344090), (1596, 307870), (1615, 304248), (1785, 275272), (1811, 271320), (1938, 253540), (1995, 246296), (2040, 240863), (2261, 217320), (2280, 215509), (2380, 206454), (2584, 190155), (2660, 184722), (2856, 172045), (3192, 153935), (3230, 152124), (3570, 137636), (3622, 135660), (3876, 126770), (3990, 123148), (4522, 108660), (4760, 103227), (4845, 101416), (5320, 92361), (5433, 90440), (6460, 76062), (6783, 72440), (7140, 68818), (7244, 67830), (7752, 63385), (7980, 61574), (9044, 54330), (9055, 54264), (9690, 50708), (10866, 45220), (11305, 43464), (12677, 38760), (12920, 38031), (13566, 36220), (14280, 34409), (14488, 33915), (15960, 30787), (18088, 27165), (18110, 27132), (19380, 25354), (21732, 22610)]