123481540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{307}}^1$

素因数の和:366

約数の個数: 144

約数和(自身を含む): 340889472

約数和(自身を除く): 217407932

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 52, 65, 68, 70, 85, 91, 119, 130, 140, 169, 170, 182, 221, 238, 260, 307, 338, 340, 364, 442, 455, 476, 595, 614, 676, 845, 884, 910, 1105, 1183, 1190, 1228, 1535, 1547, 1690, 1820, 2149, 2210, 2366, 2380, 2873, 3070, 3094, 3380, 3991, 4298, 4420, 4732, 5219, 5746, 5915, 6140, 6188, 7735, 7982, 8596, 10438, 10745, 11492, 11830, 14365, 15470, 15964, 19955, 20111, 20876, 21490, 23660, 26095, 27937, 28730, 30940, 36533, 39910, 40222, 42980, 51883, 52190, 55874, 57460, 67847, 73066, 79820, 80444, 100555, 103766, 104380, 111748, 135694, 139685, 146132, 182665, 201110, 207532, 259415, 271388, 279370, 339235, 363181, 365330, 402220, 474929, 518830, 558740, 678470, 726362, 730660, 882011, 949858, 1037660, 1356940, 1452724, 1764022, 1815905, 1899716, 2374645, 3528044, 3631810, 4410055, 4749290, 6174077, 7263620, 8820110, 9498580, 12348154, 17640220, 24696308, 30870385, 61740770, 123481540]

約数ペア:

[(1, 123481540), (2, 61740770), (4, 30870385), (5, 24696308), (7, 17640220), (10, 12348154), (13, 9498580), (14, 8820110), (17, 7263620), (20, 6174077), (26, 4749290), (28, 4410055), (34, 3631810), (35, 3528044), (52, 2374645), (65, 1899716), (68, 1815905), (70, 1764022), (85, 1452724), (91, 1356940), (119, 1037660), (130, 949858), (140, 882011), (169, 730660), (170, 726362), (182, 678470), (221, 558740), (238, 518830), (260, 474929), (307, 402220), (338, 365330), (340, 363181), (364, 339235), (442, 279370), (455, 271388), (476, 259415), (595, 207532), (614, 201110), (676, 182665), (845, 146132), (884, 139685), (910, 135694), (1105, 111748), (1183, 104380), (1190, 103766), (1228, 100555), (1535, 80444), (1547, 79820), (1690, 73066), (1820, 67847), (2149, 57460), (2210, 55874), (2366, 52190), (2380, 51883), (2873, 42980), (3070, 40222), (3094, 39910), (3380, 36533), (3991, 30940), (4298, 28730), (4420, 27937), (4732, 26095), (5219, 23660), (5746, 21490), (5915, 20876), (6140, 20111), (6188, 19955), (7735, 15964), (7982, 15470), (8596, 14365), (10438, 11830), (10745, 11492)]